Andy heads off to Cowboy Camp, leaving his toys to their own devices. Things shift into high gear when an obsessive toy collector named Al McWhiggen, owner of Al's Toy Barn kidnaps Woody. Andy's toys mount a daring rescue mission, Buzz Lightyear meets his match and Woody has to decide where he and his heart truly belong.

On behalf of "oppressed bugs everywhere," an inventive ant named Flik hires a troupe of warrior bugs to defend his bustling colony from a horde of freeloading grasshoppers led by the evil-minded Hopper.