While Snoopy takes to the skies to pursue his arch-nemesis, Charlie Brown aims to win the heart of the Little Red-Haired Girl.
Carl Fredericksen is a 78- year-old curmudgeon. He used to enjoy his modest life as a balloon seller when his adventure-loving wife Ellie was still alive. When she died, Carl was left with his memories and the awareness that they never made their dream journey to Paradise Falls in South America. When well-meaning officials consign Carl to Shady Oaks Retirement Home, he rigs thousands of helium balloons to his house and floats away.
In the world behind our closet doors monsters are lurking to collect the energy of our screams. At Monsters, Inc., James P. Sullivan (Sully) is the top scream-generator with his partner Mike Wazowski. But, there's still a scream shortage in the monster world. One night, Sully and Mike accidentally let a human girl through her closet door into Monstropolis, and pandemonium ensues.
When an advanced canine and his adopted son use their time traveling WABAC machine, events in history spiral out of control to disastrous and comical results. It's up to this most unexpected of father-son teams to somehow put things back on track before the space-time continuum is irreparably destroyed.