Adventures of the Gummi Bears

Sweet and Sour Gruffi (1x15)

Air date: Nov 30, 1985

Gummi Glen is leaking and Gruffi leads the gang in repairs by being a slave driver, getting on the nerves of even the mild mannered Zummi. Out of anger Zummi puts a personality spell on Zummi, the result of which everyone initially enjoys but soon finds out the nasty side of the spell.