Save the Mermaid!; Save the Pony Express! Wonder Pets! : Season 2 Episode 38
TV-Y Nick Jr. 22m
Aired: May 19th, 2009 @ 11:00 AM EST on Nick Jr.
The pets try to help a mermaid who wants to become a pirate; the pets help a young pony make her first delivery as part of the Pony Express.
