S3 E8: Save the Mermaid!/Save the Pony Express!

23M MAY 18, 2009 TV-Y

S3 E8: The Wonder Pets fly into a clay diorama to help a Young Mermaid who wants to be a Pirate. The Wonder Pets must help a Young Pony in the Old West make her first delivery as part of the famous Pony Express!