1997

In 1997, three new original Cartoon Network cartoons premiere, Johnny Bravo, Cow and Chicken and I Am Weasel.

26

 * A 3-hour 2 Stupid Dogs marathon, titled the Stupid Bowl, airs on Superbowl Sunday.

31

 * A special 2-hour marathon of Animaniacs airs on Cartoon Network.

15-16

 * A special weekend marathon, titled Superheroes Weekend, airs in preparation for the premiere of the new action programming block, Toonami.

17

 * The action programming block, Toonami, premieres at 4/5c. It is hosted by Moltar, a character from Space Ghost Coast to Coast

1

 * A marathon of the 1944 Screwy Squirrel short "Happy-Go-Nutty" airs for 12 straight hours.

5

 * Freakazoid! premieres.

11

 * Bugs Bunny's Mother's Day Special aired at 11:00 AM.

17

 * Speed Racer Marathon aired from 12:00 PM to 7:00 PM.

June

 * The branding of the network transitions from Checkerboard to Starburst.

7

 * Cartoon Network's 5th original series, Johnny Bravo, premieres.

15

 * Cartoon Network's 6th original series, Cow and Chicken, premieres.
 * The first I Am Weasel segment airs as part of the first Cow and Chicken episode. It would later be made into its own series.

21

 * Scooby Doo and the gang meet Johnny Bravo in a crossover episode called Bravo Dooby Doo. It is also the last time Casey Kasem will voice Shaggy until 2003.

25

 * Scooby-Doo 25 Hour Scarathon aired from October 25 at 12:00 AM to October 26 at 12:00 AM during Daylight Savings.

31

 * Haunted House Party aired at 8:00 PM.

28-30

 * Cartoon Network's 1st Cartoon Cartoon Weekend marathon airs.

7

 * Dr. Seuss Day! aired at 10:00 AM.

31

 * It's The What a Cartoon New Year's Eve Party! aired from 2:00 PM to 8:00 PM.
 * Brak's Extravagant New Year's Eve Cartoon Party Show Spectacular! aired from 8:00 PM to 6:15 AM.