After an offhand comment from Casey, Derek decides to drop out of 12th grade and follow Sally to Vancouver. As the new school year begins, Lizzie decides to change her looks, while Casey changes her room. Meanwhile, Marti is hiding in her tent and Edwin is upset about being broken up with Michelle.
- 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