Just when Judy couldn't be more humiliated by dancing with her father at the father/daughter dance, he has to cancel at the last minute and sends in Grandpa Jetson as a substitute dance partner.

The city is under sudden scrutiny of renewing every robot's particular component known as a B.E.B.O.P., which has put Mac in danger of being dismantled if he doesn't apply for one. Rosey finds a loophole through marriage, although she quickly regrets it once he starts getting in her way. This is also bad news Spacely Space Sprockets, but good news for Cogswell Cogs.