PooDunnit is the seventh episode of the series, Nicky, Ricky, Dicky & Dawn. It premiered on November 8, 2014 to an audience of 1.66 million viewers.
A water-park trip is canceled by the parents because of someone's lapse in bathroom etiquette, so the kids try to figure out who the culprit is.
- 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
- This is the first episode where Nicky, Ricky, Dicky, and Dawn want to go to a water park. The second was in Quadshank Redemption.
- This is part of the Whodunit night.
- The title is a reference to "Whodunit" which is a common phrase used in detective stories.
- In this episode Nicky is carrying a floati which reveals he can't swim.