After Junior embarrasses Dre during a basketball game, Dre decides to remind Junior of his master pranking skills so he'll never challenge him again. Meanwhile, the neighborhood participates in a "mischief night" during Halloween where petty crimes become legal, and Ruby takes it too far with the kids.

Pops' older sister Almaviligerais unexpectedly arrives for Thanksgiving, much to everyone's delight except Ruby, who can't stand her ex-sister-in-law. While Bow and Dre go on their last vacation before the baby arrives, the kids try to figure out why Ruby hates Almaviligerais so much.