About this "The Simpsons" episode:

The Simpsons - Kamp Krusty marks the begining of season 4, being the first episode in the season and number 60 overall in the series.
There is a Krusty summer camp, and Bart and Lisa decide to go there to escape from parents and to meet their favorite clown, Krusty.
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 and that the camp counselors are the three teenage bullies from school. Meanwhile, Homer is rejuvenated with the kids gone and even begins to regain his hair and lose weight. All of the kids at the camp are treated horribly and Bart survives by clinging to the promise that Krusty himself will soon arrive. However, when this does not happen, Bart leads the campers into a rebellion and they eventually takes over the camp. Homer sees a news report about this and immediately loses his hair and regains his lost weight. The real Krusty arrives at the camp and decides to make it up to the kids