Stephanie throws a thank-you party for Sportacus, and she wants her friends to be on their best behavior. But Robbie appears as manners-expert "Miss Roberta” and teaches the kids to misbehave even more.
The LazyTowners give Sportacus the day off, but he just can't get used to relaxing. Robbie Rotten creates a vicious dog robot who chases everyone – including Robbie! It's up to "Sportastephanie" to stop Robbie's robot dog.