Cow and Chicken (1997)

Season 1: Episode 17

Chicken is sick of the cafeteria's food, which is nothing but a steady diet of ketchup. Since Chicken is against it, he has been banned from eating anything from the cafeteria. After a halusination of seeing his great grandpa and grandma, Cow and Chicken decide to open up their own little meat cafe, which turns out to be quite popular.