Help!... It's the Hair Bear Bunch! (1971)

Season 1: Episode 5

The Hair Bear Bunch apply for an ad for adventure and fame when it comes a space expedition to Mars sponsored by Professor Nielsen Rockabuilt. Mr. Peevly and Botch end up stowing away and end up landing on an alien planet of Turulia where the Turulians there elect Mr. Peevly as their new leader. While in the alien's dungeons, the Hair Bear Bunch learn that the aliens elect a new leader every day while the old one gets imprisoned in a glass cage.