Yogi and the Invasion of the Space Bears (1988)

Yogi and the Invasion of the Space Bears is a 1988 animated made-for-television film produced by Hanna-Barbera for syndication as part of the Hanna-Barbera Superstars 10 series. This Hanna-Barbera production was the last to feature Daws Butler as the voice of Yogi Bear. Yogi and Boo-Boo go on an out-of-this-world voyage. When they are kidnapped by spacemen they are cloned, and the clone bears soon invade Jellystone Park.

Storyline
Yogi Bear and Boo-Boo discover aliens who plan to conquer Earth.