Tonton Streaming Wacky Races (1968) S1E4 - Beat the Clock to Yellow Rock

On their way to Yellow Rock, the racers are stopped by a ranger to search for missing bears hiding in their trunks. Blubber Bear is mistaken for a runaway so Luke tries hiding him until he gets past the ranger. A bunch of bears take over the Ant Hill Mob and Dick Dastardly's cars.