Monsters vs. Aliens is a 2009 American computer-animated comedy film produced by DreamWorks Animation and distributed by Paramount Pictures. directed by Conrad Vernon and Rob Letterman.
It was DreamWorks Animation's first feature film to be directly produced in a stereoscopic 3-D format instead of being converted into 3-D after completion, which added $15 million to the film's budget.
Monsters vs. Aliens was released on March 27, 2009 in the United States in 2-D, RealD 3D, IMAX 3D, and 4DX. The film received generally positive reviews from critics and grossed $381 million worldwide on a $175 million budget. Although not successful enough to be followed by a sequel, the film started a franchise consisting of a short film, B.O.B.'s Big Break, two television specials, Mutant Pumpkins from Outer Space and Night of the Living Carrots, and a television series premiered in 2013 on Nickelodeon.