"SeaHarmony" is the eleventh episode of The Suite Life on Deck.
Zack and London play matchmaker for Mr. Moseby and Ms. Tutweiller, but with little success. Eventually, they get Moseby and Tutweiller together, and although they have an argument, they remain together. Meanwhile, Cody tries to impress Bailey by acting like someone else based on her dating test results. However, what Cody doesn't know is that some of her answers were for fun, while the others were true.
- Erin Cardillo as Emma Tutweiller
- Title Reference: An online match maker, eHarmony