Casey enters a TV dance contest in order to pursue her life-long dream of dancing. Derek enters to mock Casey but is praised for his style and the two of them make it to the finals. When Derek's partner, Sadia Sullivan finds out he doesn't know how to dance she takes Casey's partner which devastates Casey. The rest of the family give Derek the silent treatment for hurting Casey and ruining her dream. Derek finally resorts to being Casey's partner. Also, Lizzie dares junk food addicts George and Edwin to eat only healthy food for a week and to exercise regularly, otherwise they'll get their hair dyed purple.
- Michael Seater as Derek Venturi
- Ashley Leggat as Casey McDonald
- Jordan Todosey as Lizzie McDonald
- Daniel Magder as Edwin Venturi
- Ariel Waller as Marti Venturi
- Joy Tanner as Nora McDonald
- John Ralston as George Venturi