Season Episodes Season premiere Season finale
1 40 April 10, 2017 November 22, 2017
2 40 February 19, 2018 October 26, 2018
3 52 February 23, 2019 November 30, 2019
4 TBA January 19, 2020 TBA

Season 1: 2017

EP# Title Overview Airdate
1 The Filth Ben is tasked with cleaning the Rust Bucket, but when he is tricked into letting the villainous and vile Fly Guys steal it, he must chase them down before they create an unstoppable maggot monster.. April 10, 2017 (2017-04-10)

2 Waterfilter Ben, Gwen, and Max's trip to Niagara Falls is cut short by the horrid Hydromanders - creatures menacing them and their fellow tourists. April 10, 2017 (2017-04-10)

3 The Ring Leader While winning big on a Sumo Slammers video game, Ben gets the idea to win a wrestling match for real. April 10, 2017 (2017-04-10)

5 The Clocktopus In a peaceful coastal town, Ben must not only face the archaic antagonist Steam Smythe and his latest creation - the Clocktopus - but also his deepest, darkest fear: squid! April 11, 2017 (2017-04-11)

6 Take 10 While trying to film his own indie film, Ben accidentally allows the Bug Gang to go free and when he takes the fight to their hidden lair, Ben has to take on their narcissistic leader - the Ant Queen. April 12, 2017 (2017-04-12)

7 Growing Pains Ben and Gwen are turned into babies by a weird nanny who wants to turn the world into a day care. April 13, 2017 (2017-04-13)

8 Shhh! While chilling at a monastery with a no-noise policy, Ben can't keep quiet and accidentally awakens a dangerous Dragon hidden in a secret chamber below the hallowed halls - a job that might be too much for even Diamondhead. April 17, 2017 (2017-04-17)

9 Brief Career of Lucky Girl When a wizard cos player gets his hands on a real magic wand at Comic Con, Ben enlists the help of Gwen (as Lucky Girl) to help stop Hex from retrieving it by tricking the wicked warlock into thinking she is a possessor of powerful magic herself. April 18, 2017 (2017-04-18)

10 Animo Farm Ben stumbles into Dr. Animo's secret lab - now ruled by his superior mutants, the Alphas - and must help the lesser animals escape while stuck as "Stinkfly". April 19, 2017 (2017-04-19)

11 Clown College Ben teams up with Max's old colleagues to stop the insane Clown Zombozo. April 20, 2017 (2017-04-20)

12 Adventures in Babysitting Gwen, Ben and Max encounter a family who are kind of their mirror selves. April 24, 2017 (2017-04-24)

13 Something I Ate The Tennysons visit Fort Knox, but it does not last long till Ben has to fight a monster. April 25, 2017 (2017-04-25)

14 Steam Is the Word In the heart of Silicon Valley, Ben has to stop Victorian villain, Steam Smythe from getting an incredible power source sealed in a Tesla time capsule. April 26, 2017 (2017-04-26)

15 The Beast Inside Dr. Animo returns with his newest invention, the 'Animerger'. April 27, 2017 (2017-04-27)

16 All Wet No one believes Ben when he insists that one of the other patrons, waiting in line at the World of Wet Water Park, is the nefarious Frightwig, disguised as a common girl called Frida. May 1, 2017 (2017-05-01)

17 Villain Time A man attempting to be a hero ends up misusing his abilities, and Ben has to stop him. May 2, 2017 (2017-05-02)

18 Drive You Crazy Ben and Gwen decide to race against Lagrange when he crashes a race. May 3, 2017 (2017-05-03)

19 Tomorrow Today The group visit the Buddy's Vision Of Tomorrow exhibit, where Steam Smythe hopes to take a secret weapon to rule the world. May 4, 2017 (2017-05-04)

20 Story, Bored Hex returns for the large spellbook Grimoire of Archamada which contains a high-level spell that will make him more powerful than ever. May 8, 2017 (2017-05-08)

21 Hole in 10 While golfing, Ben must face a biker gang of mutated groundhogs. May 9, 2017 (2017-05-09)

22 Recipe for Disaster Some chef aliens decide to eat Ben for lunch when he is Wildvine. May 29, 2017 (2017-05-29)

23 Rustbucket RIP Ben gets a rare Sumo Slamer card in the historical village Oldeville. Billy Billions wants that card so he challenges Ben with his high-tech drones. May 29, 2017 (2017-05-29)

24 Freaky Gwen Ben When Ben interferes with malicious magician Hex's quest for the earth-moving Titan Gloves at a swap meet, he switches bodies with Gwen forcing him to walk a mile in her shoes and vice versa. June 9, 2017 (2017-06-09)

25 Ben 24hrs Ben and Gwen want to stay awake in Adrenaland, a theme park that is open 24/7. Thinking that with his alien abilities he can stay awake, things get worse. June 16, 2017 (2017-06-16)

26 Bright Lights, Black Hearts Ben, Gwen and Max stop by the graveyard set of a movie, The Unalivers. Before long, Ben discovers its leading role, Michael Morningstar, is a energy-absorbing vampire. June 23, 2017 (2017-06-23)

27 Don't Laze Me, Bro When Billy Billions takes over Laser Town Studios for his birthday, Ben and Gwen challenge him to a Laser Tag Duel where the loser must never set foot in a game of Laser Tag ever again.. September 1, 2017 (2017-09-01)

28 Don't Let the Bass Drop Gwen and Ben are excited to attend an Earth Day EDM concert in Portland until the show is hijacked by the sound/music/audio-manipulating villain, Lord Decibel. September 8, 2017 (2017-09-08)

29 Bad Penny Ben hangs out with his weird former-babysitter named Penny when they arrive at a pig festival, while Maurice and Sydney create a helium weapon for their next big heist! September 15, 2017 (2017-09-15)

31 Forgeti During a hunt for the fabled 'Forgeti', (who Gwen is fascinated and obsessed with), Ben and Gwen face Dr. Animo once again when he kidnaps Max for his latest experiment. September 29, 2017 (2017-09-29)

32 Max to the Max When Maurice and Sydney accidentally split Max into 100 dumb clones of himself, Ben must find a way to switch him back without getting divided as well, while Gwen is forced to babysit the Maxes. October 6, 2017 (2017-10-06)

33 Cutting Corners Ben wants to earn some money by mowing Bob's lawn. He rebuilds the lawnmower into a super fast-mowing machine, but in doing so he angers the little stubborn gnome neighbors. October 13, 2017 (2017-10-13)

34 Xingo Ben's favorite cartoon character, Xingo, comes out of TV into the real world when Upgrade tampers with the TV satellite. October 20, 2017 (2017-10-20)

35 Scared Silly Ben needs to pretend that he is not scared when staying in a haunted hotel. October 27, 2017 (2017-10-27)

36 Need for Speed Touring Yellowstone National Park, Ben uncovers a plot by Lagrange who wants to digout an old treasure from below the national park. November 3, 2017 (2017-11-03)

Omni-Tricked Gax, an eleventh alien, arrives as Ben fights another of Dr. Animo's monsters; when the Omnitrix starts behaving strangely, Ben begins to transform from one alien to another without being able to stop. November 22, 2017 (2017-11-22)

Season 2: 2018

EP# Title Overview Airdate
41 Out to Launch On a visit to Cape Canaveral, the Tennyson Trio attend the launch of an experimental space plane, but when Vilgax hijacks the ship, Ben must stop him from weaponizing the shuttle. February 19, 2018 (2018-02-19)

42 Battle at Biggie Box During the Biggie Box sale, Ben enlists Simon Sez to help him find Max and get back to the register with his toys before the sale ends and Billy Billions buys them instead. February 19, 2018 (2018-02-19)

43 Bon Voyage Aboard the SS Pettigrew, on its final voyage, Ben must not only battle seasickness, but Steam Smythe, who looks to use his mechanical creatures to sink the steamship's replacement. February 26, 2018 (2018-02-26)

44 Mayhem in Mascot After their attempt to get a photo with every storefront mascot is foiled, Ben and Gwen sneak out at night to get their photo taken with the wooden bear totem known as Yawk. February 26, 2018 (2018-02-26)

45 Screamcatcher When a cavity forces Ben to the dentist his day gets even worse when the malevolent magician Hex uses a nearby dream catcher to bring our hero's fears to life and transports them both to a nightmarish dreamscape. March 5, 2018 (2018-03-05)

46 Creature Feature Ben and Gwen must save the drive-in when the evil magician Hex brings a movie monster to life. March 5, 2018 (2018-03-05)

47 Bombozo Lives During a routine trip to the DMV, Max takes a driving test to renew his license, but a disguised Zombozo hijacks the role of instructor. March 12, 2018 (2018-03-12)

48 Animorphosis As the Tennyson trio dig up dinosaur fossils in the Badlands, Ben is unaware that Vilgax and Dr. Animo have teamed up to steal alien DNA from within the Omnitrix. March 12, 2018 (2018-03-12)

49 Assault on Pancake Palace When Gwen enters a pancake eating contest at the famous Pancake Palace, Ben finds the Bugg Brothers and must stop them before they obtain an endless supply of Pancake Palace pancakes. March 19, 2018 (2018-03-19)

50 High Stress Express During a live feed of a transcontinental bullet train, La Grange enters the picture to outrace the train, but Ben joins in on the fun and will stop at nothing to come out on top. March 26, 2018 (2018-03-26)

The 11th Alien Ben has a brand new alien: Shock Rock! And he's going to need it to stop Vilgax and the Weatherheads' latest plan to take over the world. April 6, 2018 (2018-04-06)

53 Half-Sies During a trip, Ben and Gwen squabble, but when Max hears of a rockslide nearby, the cousins must put aside their differences to rescue the trapped miners and uncover who is behind the catastrophe: the Bugg Brothers. April 16, 2018 (2018-04-16)

54 Xingo's Back Left to entertain himself, Ben stumbles upon a Xingo arcade game and goes OE-Shock Rock to power it up, but when it receives too much juice, Xingo leaps out into the real world and our hero must go toe-to-toe with his favorite character. April 23, 2018 (2018-04-23)

55 Bounty Ball While Gwen listens to a lecture on the Transcontinental Railroad, Ben sneaks away to the gift shop. But once the Bounty Hunters appear and corner our hero, Gwen must relay the information she learned on the train to help Ben escape. April 30, 2018 (2018-04-30)

56 Fear the Fogg As Max attempts to get Ben and Gwen to the Four Corners Monument before sunset, an ominous fog bank engulfs the roadway and forces Max to drive at a snails pace, but once The Fogg comes to life and attacks the Rust Bucket, Team Tennyson must work together if they are to navigate to safety. May 7, 2018 (2018-05-07)

57 Super-Villain Team-Up After a lull in alien antics, a restless Ben suggests to Max and Gwen that he might be a better hero if he went solo, but once Vilgax enlists the help of Zombozo to build a giant hypno-mechanism to hypnotize the entire world, Ben must rethink his strategy if he is to defeat the super-villain team-up. May 14, 2018 (2018-05-14)

58 Can I Keep It? After stumbling upon a cute cat-dog-rabbit creature hybrid, or “Cadobbit,” Ben ignores Grandpa Max’s advice and sneaks the animal onto the Rustbucket, but is quickly in over his head as Dr. Amino’s creation turns on him! May 21, 2018 (2018-05-21)

59 Chicken Nuggets of Doom When Ben and Max get into an argument, Ben goes Heatblast to blow off steam against Max’s wishes; but once Dr. Animo spots him and subsequently turns Max into a chicken, it’s up to Ben to right his wrong if he is to save his Grandpa and stop Dr. Animo. May 22, 2018 (2018-05-22)

60 All Koiled Up When Ben grows impatient with the snail like pace of gardening, he goes O-E Overflow to pick up the pace and accidentally floods the community garden. But once a giant sink hole appears and frees King Koil and his Kimodo Dragon from below, Ben must quickly right his wrong and capture the baddies if he is to save the coastal city of Bayburgh. May 23, 2018 (2018-05-23)

61 King Koil Ben and Gwen volunteer for a day at the Repto Ranch. There they meet the bad guy King Koil, who of course is up to no good. Quickly, both must overcome their fear of snakes and save the animals that the terrible rogue has released. June 11, 2018 (2018-06-11)

62 The Charm Offensive While hanging out at Fort Knox, Gwen grows jealous of Ben's aliens getting all the glamour and attention. But when she discovers that a new villainess, Charmcaster, is really Michael Morningstar's last remaining fangirl turned witch (from the end tag in season 1), Gwen must withstand attacks from both her and Morningstar, and prove herself as a valued member of Team Tennyson. June 11, 2018 (2018-06-11)

63 Double Hex While bird watching at Pinnacles National Park, Gwen and Ben get into a competition of who can spot more birds first, but once a forest fire interrupts their fun, Team Tennyson must hurry if they are to save the bird population. June 11, 2018 (2018-06-11)

64 Ye Olde Laser Duel As team Tennyson admires the modern train station, Ben sniffs out one of Steam Smythe's robots holding up the line. Once the fed up villain tricks Ben into accepting a duel, the fate of the Omnitrix hangs in the balance. June 11, 2018 (2018-06-11)

65 Ben Again and Again After Billy Billions' efforts to carve his face onto Mount Rushmore with a laser are thwarted by Ben, the billionaire brat turns his focus on removing Ben from the Omnitrix. June 11, 2018 (2018-06-11)

66 Vote Zombozo When the Rust Bucket must tune-up in the same town as Zombozo's latest campaign trail stop, Ben soon discovers the clown is using his speeches to hypnotize then rob the town. September 10, 2018 (2018-09-10)

67 Drone On Ben and Gwen are in a highly competitive paper airplane war, but when drones created by Vilgax bombard the Rust Bucket, the cousins must work together to ground the aerial attack. September 10, 2018 (2018-09-10)

68 Safari Sa'Bad On their trip to Adrenaworld West, Ben takes a detour on a jungle cruise and finds himself hunted by the evil Tim Buktu, who takes control of him using a voodoo doll. September 11, 2018 (2018-09-11)

69 The Nature of Things While sightseeing at the Geyser Gulch National Park, the Tennyson trio uncovers Steam Smythe's steam-powered generator and must shut it down before it overloads the power grid and causes numerous environmental issues. September 11, 2018 (2018-09-11)

70 The Sound and the Furry As Team Tennyson leaves the Frozen Man Festival, Lord Decibel takes center stage to threaten the festival-goers, creating an avalanche if his ransom isn't paid. September 12, 2018 (2018-09-12)

71 Reststop Roustabout Ben, Gwen and Grandpa Max stop in the middle of the pampa in the Midwest. While Ben makes himself comfortable in his mobile home with his tablet, Max and Gwen go outside to get some fresh air. With calm it is abruptly over when family Tennyson is drawn into the hunt for a Jackalope a mythical animal that looks like a rabbit with a horn. September 12, 2018 (2018-09-12)

72 That's The Stuff A mysterious alien substance copies Ben's appearance and powers while Ben is visiting a space museum. September 13, 2018 (2018-09-13)

73 The Feels While Gwen and Max are enamored by wintertime fun during the summer, Ben isn't interested... until he learns a vengeful villain wants to destroy all the snow and fun at any cost! September 13, 2018 (2018-09-13)

74 Past Aliens Present en is shocked to discover that Steam Smythe has built steampunk robots capable of masquerading as and matching Ben's aliens, hoping to discredit the hero's ever-growing popularity and simultaneously helping his crusade against modern technology. September 14, 2018 (2018-09-14)

75 The Feels After a series of recurring nightmares affect his sleep, Ben refuses to open up to Max and Gwen about what's bothering him. Before long, the entire team is trapped in his nightmares as well, putting them up against Zombozo in a nightmare world. September 14, 2018 (2018-09-14)

Innervasion Part One: Message in a Boxcar: Ben and Gwen partake in a box car race, however the race is cut short when a large robot attacks. Worse still, Ben is hearing voices in his head while transformed.

Part Two: Call the Dream Police: After defeating the Warbot and discovering Vilgax inside, Ben's "secret voices" only worsen and begin affecting his sleep, but once Gwen discovers a sleepwalking Ben using missing items from the campsite to create his own massive Junkbot, it is up to Ben to stop his own creation.

Part Three: Strange Bedfellows: After the Junkbot shoots the Omnitrix and it begins glowing neon-blue, an imprisoned Vilgax explains it is now a gateway through which the Fulmini Empire will invade Earth, but the only way to stop them is from within the Omnitrix, so Ben must team up with the ultimate baddie if he is to save his planet.

Part Four: Mind Over Alien Matter: While inside the Omnitrix, Ben and Vilgax must work together if they are to close the gateway, but once the Fulmini leader - the High Override - appears, even that might not be enough. Luckily, help arrives in the form of a being calling itself Glitch!

Part Five: High Override: While Ben struggles to avoid the High Override's mind control, Max and Gwen enter the Omnitrix to lend a hand, but once they find Ben is not who he seems, Max and Gwen must pull out all the stops if they are to get Ben back in time to save the planet.

October 26, 2018 (2018-10-26)

Season 3: 2019

EP# Title Overview Airdate
81 Omni-Copped When Grandpa Max's engineer buddy Phil Billings gifts Team Tennyson the Omni-Copter, a state of the art flying vehicle that can transport the Rustbucket for overseas adventures, Steam Smythe takes to the skies to ground Ben and company's first test flight; but unbeknownst to our heroes, Smythe was sent to battle Ben's latest alien forms by a mysterious, powerful enemy: the Forever Knight. February 23, 2019 (2019-02-23)

82 This One Goes to 11 During one last stop by a toy store before Ben, Gwen, and Grandpa Max's maiden voyage across the Atlantic, Ben runs into an old bully, Kevin 11, who now has new powers. He's able to transform into aliens just like Ben, such as the "bootleg" doppelgänger of Cannonbolt— Wreckingbolt! February 23, 2019 (2019-02-23)

83 Rath of Con Ben can’t get into a cat cosplay competition, Top Tail, without a costume of his own; but when he goes Rath, a new cat-like alien with an attitude, Ben’s newfound wild side quickly becomes much more than he bargained for. March 2, 2019 (2019-03-02)

84 Poles Apart A trip to the South Pole goes upside down when Team Tennyson lands on the North Pole instead, but Ben quickly discovers the culprits, magnetically-powered scientists who want to hold the world ransom by reversing the Earth’s poles! March 2, 2019 (2019-03-02)

85 Show Don't Tell Ben, Gwen, and Grandpa Max arrive at a Native American national park to witness an ancient Stonehenge-like rock formation. But when the sorcerer Hex arrives, Ben must battle against a beast Hex magically made out of huge rocks! March 9, 2019 (2019-03-09)

86 Welcome to Zombozo-Zone! During medieval times, Team Tennyson must fight to remember that they’re not in the past at all, but actually at a Renaissance-esque faire, where “King Zombozo” has hypnotized its guests into thinking they live in the past! March 9, 2019 (2019-03-09)

87 Bridge Out After an overpass collapses on the highway, Team Tennyson is in a traffic jam along with Simon Sez and family. But when Ben and Simon team up to tackle the gridlock together, Simon only makes matters much, much worse. March 16, 2019 (2019-03-16)

89 Charm School's Out During a family cookout at a forest campsite, Charmcaster users her magic to switch places with Gwen, but when Ben catches “Charmcaster” sneaking about, he attacks, unaware it’s actually his cursed cousin! March 23, 2019 (2019-03-23)

90 Billy Bajillions In Aspen, Colorado, Ben, Gwen, and Grandpa Max are on a hike to find the Forgeti, but when they realize they’ve stumbled upon Billy Billions own “Winter in July” ski resort, Ben must battle Billy, with an assist from the Forgeti itself. March 23, 2019 (2019-03-23)

91 Franken-Fight Ben and Gwen's recreational drive in the Rustbuggy takes a turn when Glitch bonds with part of Kevin 11's version of 'Upgrade' named Bootleg. Not only does this cause the Rustbuggy to mutate into a metallic monster, but it makes Glitch becomes a literal speed demon who kidnaps Gwen! March 30, 2019 (2019-03-30)

92 Buggin' the Bugs Team Tennyson wonders what the Bugg Brothers are up to when the group runs into the villains while vacationing at the Chrysalen Institute. March 30, 2019 (2019-03-30)

93 Which Watch After a battle with Kevin gets cut short, Ben turns his attention to one-upping Gwen at Space Camp. But, when Kevin returns with his sights strangely set on his cousin, our hero must uncover who is really behind it all, Charmcaster! April 6, 2019 (2019-04-06)

94 Baby Buktu When attacked in the jungle, Team Tennyson is saved by a toddler who looks eerily similar to Tim Buktu, but when they discover it really Isa pint sized version of the nefarious globetrotter, Ben knows there’s another threat looming: Nanny Nightmare. April 6, 2019 (2019-04-06)

95 Them's Fightin' Words! Team Tennyson discovers a Hartfield-McJoy (a parody of the Hatfield-McCoy feud) reenactment in the cornfield next door, but when Hex resurrects the ghosts of the real feuding families, Ben must find a way to bring them together if he is to save the day! April 13, 2019 (2019-04-13)

96 Mutiny for the Bounty While Phil and Grandpa Max tune-up the Omni-Copter, a restless Ben takes the Rustbuggy off road, but when he is suddenly captured by Tetrax, our hero must not only escape but avoid the wrath of the double-crossed Kraab and Sixsix! April 13, 2019 (2019-04-13)

97 The Chupaca-bro Team Tennyson discovers that a small village’s goats are being terrorized by the legendary Chupacabra, but when Ben realizes it’s actually Dr. Animo, our hero must thwart the dastardly doctor. April 20, 2019 (2019-04-20)

98 Buggy Out After winning a Sumo Slammers Champion belt, Ben returns to the Rustbucket to find it in the arms of Kevin, but when his rival hijacks the Rustbuggy instead, our hero must stop at nothing to get back what belongs to him. Eventually, though, Kevin and Ben must work together to fend off an attack from the Forever Knight, who is angered at Kevin's refusal to follow orders. April 20, 2019 (2019-04-20)

99 Introducing Kevin 11 At a local swap meet, Ben instead sets his sights on a Sumo Slammer collectible, but when Kevin takes it for himself, our hero must get it back by overcoming Kevin’s secret weapon: an 11th alien named Bashmouth. April 27, 2019 (2019-04-27)

100 Four by Four During their visit to the Twin City, Ben and Gwen sign up for some Laser Town awesomeness, but when Ben is teamed up with Kevin, the two must overcome their differences if they are to end up on top, especially since Gwen has been paired with the mysterious Fang. To make things worse, a hit from a laser causes Kevin to be trapped in the form of his twisted version of Four Arms named "Quad Smack", and he needs to find a way to fix his AntiTrix in order to change back. April 27, 2019 (2019-04-27)

101 Moor Fogg When Team Tennyson's trip takes them to Scotland, they plan on visiting the various locales of Scotland, but their plans are foiled when the Fogg from "Fear the Fogg" returns to exact its revenge. But without Overflow, Ben must devise a new way to defeat the living weather pattern and help his family escape from the Moors. June 22, 2019 (2019-06-22)

102 King of the Castle Team Tennyson finds out about their British ancestry, so they visit their relative's estate, but mysterious events convince Ben that the place is haunted. However, it turns out that Kevin Levin has followed them from, and showcases three new alien forms based on those Ben has lost: Thornblade (instead of Wildvine), Undertow (instead of Overflow), and Dark Matter (instead of Grey Matter). How will Ben defeat the corrupted versions of the three aliens he can no longer use? June 22, 2019 (2019-06-22)

103 Speechless on the Siene When Ben and the others take a trip to Paris, Ben, impatient and uninterested, accidentally gets himself locked out of the Omni-Copter. To make things worse, he can't communicate with the people of France, and Ben ends up in the clutches of Zombozo, who hypnotizes him into being unable to speak. Much to Ben's disgust, he is forced to act like a mime. Can Ben find Gwen and Grandpa Max, and warn them about Zombozo's plan to rob the Louvre? June 29, 2019 (2019-06-29)

104 Don't Touch Team Tennyson checks out a Samurai Museum in Tokyo. However, Ben finally comes face-to-face with the Forever Knight when he steals a valuable sword from the museum and starts a chase across the rooftops. June 29, 2019 (2019-06-29)

105 Big in Japan Tim Buktu returns, seemingly reformed after saving people from a dragon in the streets of Tokyo. But the Tennysons suspect there's more to Tim's actions than meets the eye (dragon's eye, that is). July 6, 2019 (2019-07-06)

106 Cyber Slammers In front of a biggie box in Japan, Ben waits in an eternally long line for the release of Cyber Slammers, the brand new Sumo Slammers video game. Soon Ben has to save the whole store - and not in front of the gaming enthusiastic customers, but before Steam Smythe, who wants to equip a big Mech-suit with Steam Punk powers! July 6, 2019 (2019-07-06)

107 Big Ben 10 While Ben and his family visit the famous Big Ben Clocktower, the Bugg brothers once again set up a totally crazy plan: they want to shrink Big Ben's bell to steal it! July 13, 2019 (2019-07-13)

108 LaGrange Murraille Ben, Gwen and Grandpa Max walk along the Great Wall of China. But their adventure is almost spoiled by racers LaGrange and Vin Ethanol, who want to try a daredevil jump over the wall. Also, Glitch has been merged with the Rustbuggy and can now shift its form into alien battle machines based on which one of Ben's aliens sits in his driver seat! July 13, 2019 (2019-07-13)

110 The Claws of the Cat While taking in the sights and sounds of a Rio de Jenaro music festival, Ben bristles at Gwen's suggestion that she be his new sidekick, but when the festival is threaten by the supersonic sound waves of Lord Decibel, our hero must lean on help from some familiar faces: DJ Gpa and Gwen-Cat! July 20, 2019 (2019-07-20)

Roundabout Part 1: Ben is gone. Grandpa asks his old friend Phil for help. Since Ben's watch sends out signals, they can track him down. He is in Switzerland. Together, they set off to find out why Ben ran away and landed on the side of Forever Knight.

Part 2: Gwen, Grandpa Max and Phil tracked down Ben in an underground lab. They try to dissuade him from joining forces with Forever Knight. With Ben's help, Forever Knight opened a time portal to travel back in time. He wants to prevent the signals sent by aliens to Earth to make contact to be answered. Because then there would be no Omnitrix watches and therefore no aliens.

September 21, 2019 (2019-09-21)

113 Cirque-Us After Ben steps in as a rescuer at a ceremony at the local university, he is invited as a guest of honor at a charity gala. But when Zombozo takes charge of the evening program, Ben not only has to defeat the evil clown, but also his new helper Pirouette! September 28, 2019 (2019-09-28)

114 Forever Road Because Phil is allergic to the desert sand, Ben wants to win the muscle car race for him. But LaGrange has a remote control that he can use to neutralize Ben's watch. September 28, 2019 (2019-09-28)

115 The Bentathlon After stuffing their faces with gyros, Team Tennyson makes their way to the real Greece in the Omni-Copter, but when they are suddenly captured by the Forever Knight mid-flight, Ben ends up in a coliseum, where he is pit against old foes: Iron Kyle, Queen Bee, and the Ground Hawgs! October 5, 2019 (2019-10-05)

116 Prey or Play After receiving a super-exclusive ticket to Adrenaland, Ben leaves behind Grandpa Max and Gwen to enjoy the perks of being the parks only attendant, but when he learns he’s not alone, our hero must now contend with the only kid who could afford the price of admission: Billy Billions! October 5, 2019 (2019-10-05)

117 Beware of the Scare-Crow During a visit to the farm of Penny Bennyson’s grandfather, Team Tennyson is constantly haunted by a Scare-Crow that’s come to life, but when Ben discovers that Aristocrow is behind it all, our hero must defeat Aristocrow’s master, the steam-powered Steam Smythe, if he is to save his cousin’s farm! October 12, 2019 (2019-10-12)

118 The Night Ben Tennyson Came to Town Team Tennyson travels to Wheeler, “the liveliest mining town on Route 66”, but when Ben becomes paranoid that the Forever Knight is out to get him, he must try to convince his fam while also stopping his new foe from destroying the town. October 12, 2019 (2019-10-12)

119 And Xingo Was His Name-O When a new Xingo app mysteriously appears on Gwen’s tablet, Ben can’t help himself and activates it despite his cousin’s disapproval, springing a trap that transports Ben in the animated world and Xingo back in the real world. It’s the ol’ switcheroo! October 19, 2019 (2019-10-19)

120 Fear in the Family Ben and Gwen can’t wait for the Omni-Copter to arrive at the Great Pyramids, but when bad weather disrupts their flight, they soon come face-to-face with The Fogg and its spawn: The Fogg Family! October 19, 2019 (2019-10-19)

121 Xingo Nation Kevin 11 gives Xingo a power up – setting him loose to wreak havoc on other TV shows – and it is up to Ben to stop them both. October 26, 2019 (2019-10-26)

122 Heads of the Family Team Tennyson stops in at a fringe family reunion, and Ben encounters a whole lot more than kooky cousins— namely, Kevin 11 and the Bugg Brothers, whose latest crackpot invention sparks a series of hilarious head-swaps between all parties. October 26, 2019 (2019-10-26)

123 My Bodyguard When Zombozo hypnotizes Grandpa Max's entire baking class it is up to Ben and Gwen to clean up the mess, but it gets even messier when Zombozo unveils his new bodyguard: Kevin 11! November 2, 2019 (2019-11-02)

124 Wheels of Fortune Team Tennyson's thrift store shopping is ruined by the latest high-speed heist of LaGrange — who is now aided by a super-fast electromagnetic racing car — and Ben must convince Kevin 11 to help stop the speed demon's globetrotting robbing spree. November 2, 2019 (2019-11-02)

125 Heat of the Moment After Ben easily dispatches the Weatherheads, Team Tennyson travels to a ski resort for some fun in the snow but when Ben runs into the Weatherheads yet again, this time they are a force to reckon with, now that Kevin 11 has used his Bootleg powers to unlock their emotional controls! November 9, 2019 (2019-11-09)

126 Vin Diagram When Ben finds out that Kevin and Vin Ethanol have teamed up, he becomes jealous, and especially worried that Kevin will try to have his friend embrace his bad side. November 9, 2019 (2019-11-09)

127 A Sticky Situation While Ben simply wants to stop Queen Bee from robbing a bank, Kevin also decides to show up, wanting to bask in the glory Ben gets as a hero. November 16, 2019 (2019-11-16)

128 What Rhymes with Omnitrix? When Charmcaster and Kevin end up in a poetry convention, Kevin's emo poems combined with Charmcaster's amulet (which she received from her uncle) gives her immense magical power and now seeks payback on Gwen. November 16, 2019 (2019-11-16)

129 You Remind Me of Someone After an encounter with the Forgeti, Ben and Kevin end up with the others' phones, causing Ben to turn into a selfish punk and Kevin into a hero. However, have they truly changed alignments or are their real personalities ready to resurface? November 23, 2019 (2019-11-23)

130 Adrenaland Jr. Team Tennyson visits Adrenaland Jr., a more safe version of Adrenaland. But when Kevin appears, Ben has to stop him before he destroys the park. November 23, 2019 (2019-11-23)

131 Steam Fight at the OK Corral When Kevin convinces Steam Smythe to adopt a modern approach in fighting Ben, our young hero must resort to old-fashioned thinking to save the day. November 30, 2019 (2019-11-30)

132 I Don't Like You When Ben and Gwen try to create a cooking video, Kevin starts trying to gain his own following with crackpot conspiracy and encouraging the consumption of junk food. The social media war resulting from the two shapeshifters soon starts to escalate into real world conflict. November 30, 2019 (2019-11-30)

Season 4: 2020

EP# Title Overview Airdate
133 Chicken in Chichen Itza Part 1: Pyramid Scheme Team Tennyson visits the monuments of Chichen Itza, but when Ben learns about the possible existence of a mythical creature, the Quetzalcoatl, the hero takes it upon himself to find the feathered serpent himself. January 19, 2020 (2020-01-19)

134 Chicken in Chichen Itza Part 2: The Wages of Fear Team Tennyson help transport a caged Quetzalcoatl through the Yucatan jungle, only to encounter a saboteur, La Grange, who hijacks the precious cargo and leads our heroes on a high-octane off-road chase! January 19, 2020 (2020-01-19)

135 Ben in Rome Part 1: A Slice of Life Team Tennyson's quest for the best pizza in Rome leads them to the Bugg Brothers and their latest culinary caper, complete with stolen recipes, kidnapped chefs, shrunken landmarks, and a high-speed chase around the Eternal City. January 26, 2020 (2020-01-26)

136 Ben in Rome Part 2: The Bee's Knees On vacation in Rome, Gwen takes Team Tennyson on a self-guided tour of the many ancient sites, but when a distracted Ben accidentally stumbles upon Queen Bee's monumental heist, the hero must work together with his family if he is to save the city from being sacked for the first time in centuries! January 26, 2020 (2020-01-26)

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