Synopsis

While Stu and Didi are away at an Invention Convention, Dil plans a viewing party with Tommy, intending to watch a purportedly authentic alien autopsy video. However, the arrival of both Grandpa Lou and Grandpa Boris to supervise the children ignites a family squabble. The situation escalates further with the unexpected appearance of Phil, Lil, and Chuckie. Dil, eager for a larger audience, invites ten additional children, much to Tommy's dismay.