The Harper Quads get curious to find out why Tom and Anne aren't excited about Valentine's Day. They find a Valentine's Day tape and watch a video out of context making them believe that they ruined Valentine's Day for their parents.
- Lizzy Greene as Dawn Harper
- Casey Simpson as Ricky Harper
- Mace Coronel as Dicky Harper
- Aidan Gallagher as Nicky Harper
- Allison Munn as Anne Harper
- Brian Stepanek as Tom Harper
- Gabrielle Elyse as Josie Cooper
- This is the first Valentine's Day special.