Take '50s sci-fi movie monsters, add 2009 3-D computer animation, an all-star voice cast and toss in some pop culture references, and you've got the thoroughly entertaining "Monsters vs. Aliens." ...

What Is 'Monsters vs. Aliens' About? Monsters vs. Aliens was released in theaters on March 27, 2009, and was the DreamWorks Animation film that preceded How to Train Your Dragon. The film is an ...