When Bart's birthday party turns into a disaster, he uses his AM radio gift to play pranks on the townspeople. Eventually he uses it to pretend to be a boy stuck in a well, and the whole town comes to his aid.
Everyone at the powerplant thinks Homer is crazy when he shows up in a pink shirt and want to give him a mental health exam. He has Bart take it for him and ends up in a looney bin with Michael Jackson.
Lisa: Bart, why did you take the blame? Bart: Because I didn't want you to wreck your life. You got the brains and the talent to go as far as you want. And when you do, I'll be right there to borrow money.