The Simpsons Season 15 Episode 6: Today I Am a Clown

Krusty discovers that he never had a bar mitzvah as a child. He quits his show to have it as an adult, with the help of his father, Rabbi Krustofski. Meanwhile, Homer hosts a late-night talk show a la "Politically Incorrect with Bill Maher" as a replacement for Krusty's show.