The Simpsons - Season 27 Episode 14
Gal of Constant Sorrow

After Bart accidentally sends a sweet homeless womans cart into the river, he allows her to live in his closet for a small fee. When Lisa discovers that the woman is an incredible folk singer, she offers her own closet and plans a concert, only to be disappointed by Hetties surprising substance abuse and violent nature. Meanwhile Homer tries to prove hes handy, but accidentally traps the cat in the walls of the house.