Wow! Wow! Wubbzy!

Wow! Wow! Wubbzy! is an educational animated television series that first aired on August 28th, 2006 on Nick Jr. The show ended on February 2010. It follows the adventures of a yellow gerbil named Wubbzy who has friends named Widget, Walden and Daizy who live in the town of Wuzzleburg. One episode had the characters dealing with loose teeth and having to face The Tooth Fairy. The episode's name is "Tooth or Dare".