Vic and Val build a treehouse and Val dismisses Vic with a frivolous task so he can build the treehouse exactly how he wants. But when Vic returns unknowingly with a branch from El Arbol Vampiro, Val's perfect treehouse turns into a nightmare!

When Vic gets sick and is stuck in his room, he spies on Pineapple and becomes convinced that Pineapple is creating an army of zombie cats. Val agrees and the two become obsessed with stopping Pineapple before it's too late!