After Didi gets rid of the household televisions, Tommy comes up with a plan to get them back by building a tree fort. But he and his friends end up having more fun in the fort than they imagined, and they don't want the televisions back after all.
An alien autopsy tape is accidentally destroyed in a feud between Dil's grandfathers, who agree to put aside their differences to fix their mistake and help Dil get out of hot water with the tape's owner--a boy named Bone Crusher.
Rachel breaks up with Tommy since she's moving away and he takes it surprisingly well, but everyone thinks he's depressed and trying to hide it; Angelica wants her mom to invest in Dil's new board game.
Angelica joins the debate team to impress Mr. Fisk, a teacher she has a crush on, but she decides to quit when she learns Mr. Fisk is leaving. Meanwhile, Chuckie is not comfortable taking a shower in the school locker rooms.