Gus and Wally take on extra work delivering a present to a young Gorgonzilla beast. But look out, boys--turns out Lord Peel is behind the order, and the present isn't quite what they think.
Gus and Wally want to reprogram YAY-OK so he's able to defend himself, but the monkeys' shoddy skills turn their good ol' ro-bro into a full-on intergalactic bully.
When the Monkeys are relegated to the kids' room at a party, Gus decides to infiltrate the adult festivities next door. Unfortunately, the vengeance-seeking Nefarious has the same idea...