The Backyardigans
The Masked Retriever (3x20)
Season finale
Air date: Dec 13, 2009
It's a musical adventure in Viejo, California, as Librarian Uniqua turns into the Masked Retriever to get back an overdue library book from Don Austin as they sing Herb Alpert and the Tijuana Brass.
- Premiered: Oct 2004
- Episodes: 160
- Followers: 5
- Ended
- Nick Jr.
- Daily at 10
