Bart's Plan After Dark

Bart is the target of abuse by his whole family. Marge beats him, Maggie attacks him, Homer strangles him and Lisa almost breaks his arm. Bart is living in a nightmare, but one stormy night he decides to do something about it. While everyone is asleep, he slips into their bedrooms and murders them all, he hangs them by their necks in the living room. Now he lives happily with his new "family".