American astronaut Captain Charles "Chuck" Baker lands on Planet 51 thinking he's the first person to step foot on it. To his surprise, he finds that this planet is inhabited by little green people who are happily living in a white picket fence world, and whose only fear is that it will be overrun by alien invaders...like Chuck!
A woman transformed into a giant after she is struck by a meteorite on her wedding day becomes part of a team of monsters sent in by the U.S. government to defeat an alien mastermind trying to take over Earth.
In Venice Beach, naive Midwesterner JB bonds with local slacker KG and they form the rock band Tenacious D. Setting out to become the world's greatest band is no easy feat, so they set out to steal what could be the answer to their prayers -- a magical guitar pick housed in a rock-and-roll museum some 300 miles away.
Beca, a freshman at Barden University, is cajoled into joining The Bellas, her school's all-girls singing group. Injecting some much needed energy into their repertoire, The Bellas take on their male rivals in a campus competition.