Valentine's Day is the 16th episode of season 1 of H2O: Mermaid Adventures.
Synopsis[]
Lewis wants to share a big secret with Abby on Valentine's Day, and Cleo worries that he will tell her about the girls' mermaid identities.
Plot[]
Trivia[]
- This episode has the same name as the fourth episode of the third season of H2O: Just Add Water.
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