A conniving bear and his diminutive sidekick learn that the national park they live in is due to be closed down by the greedy local mayor. They must join forces with their old foe, a park ranger who resents their mischief-making, to save the day. Comedy based on the cartoon series, starring Anna Faris and Tom Cavanagh, and featuring the voices of Dan Aykroyd and Justin Timberlake.

A documentary filmmaker travels to Jellystone Park to shoot a project and soon crosses paths with Yogi Bear, his sidekick Boo-Boo, and Ranger Smith.