Simpsons Season 4, Episode 1: Kamp Krusty

Bart and Lisa go to Kamp Krusty for the summer. However, their promises of a fun summer at Kamp Krusty are broken when the director of the camp, Mr. Black, is revealed to be a ferocious accountant. Meanwhile, Homer is rejuvenated with the kids gone and even begins to regain his hair and lose weight.