Monsters vs. Aliens is a 2009 American computer-animated 3-D comedy-science fiction movie from DreamWorks Animation and Paramount Pictures. It was the first computer animated movie to be directly produced in a stereoscopic 3-D format instead of being changed into 3-D after completion, which added $15 million to the film's budget. The movie was set to release in May 2009, but was pulled back to March 27, 2009. It was released on DVD and Blu-ray September 29, 2009 in North America. It stars Reese Witherspoon, Seth Rogen, Hugh Laurie, Will Arnett, Conrad Vernon, Rainn Wilson, Kiefer Sutherland, Stephen Colbert and Paul Rudd. also an animated television series of of the same name by Nickelodeon and Dreamworks Animation Television.