TP + KF is the Third Episode of Season Five from "All Grown Up!"
When the gang looks for Halloween costumes in the Finster's garage, they find TP+KF carved on the wall. Chuckie believes that Tommy has a crush on Kimi, but he doesn't. Chuckie becomes very protective of his sister and he stops being friends with Tommy. Dil goes trick-or-treating the day before in order to beat the rush, but only gets money and becomes annoyed. The argument between Tommy and Chuckie escalates to where their friendship falls apart. The gang tries to bring the two back together. Chaz has a new security system to scare away anyone who might want to T.P (“toilet paper”) his house.