S1·E18 Vanity, Thy Name is Mermaid
Aired January 7, 1991
Synopsis
While playing with two mermaids at the lagoon, Peter innocently proclaims Wendy to be the most beautiful being in Neverland. The vain mermaids are so jealous that they kidnap Wendy and transform her into a mermaid. Unfortunately, they do not give her the ability to breathe underwater. Can Peter save Wendy before her air bubble runs out?