My Friends Tigger & Pooh - Season 1 - Eps 39: Darby's Tooth and Nothin' but the Tooth
When Darby goes off for some errands, Tigger and Pooh are left on their in the event of any Super Sleuth cases. As she leaves them, she casually tells them that she's just lost a tooth. Convinced that Darby must be devastated, the two make it into a case. They begin searching the whole of the Wood for the tooth and enlist Rabbit as a Deputy Sleuth.
About My Friends Tigger & Pooh

Title: My Friends Tigger & Pooh
First Air Date: 2007-05-12
Last Air Date: 2010-10-09
Status: Ended
Rating: 6.8/10 (from 20 votes)
Language: EN
Seasons: 3
Total Episodes: 130
Network: Disney Channel
Genres: Kids, Animation, Drama, Mystery, Action & Adventure
Production Companies: Disney Television Animation
Synopsis
Pooh, Tigger, and friends from the Hundred Acre Wood welcome new neighbors — an adorable six-year-old girl named Darby and her puppy, Buster. With the help of adventurous super sleuths Tigger and Pooh, every episode revolves around the solving of a mystery and an interactive curriculum that encourages viewers to help them out.
Cast

Chloë Grace Moretz
Darby (voice)

Dee Bradley Baker
Buster (voice)

Jim Cummings
Winnie-the-Pooh / Tigger / Beaver (voice)

Travis Oates
Piglet (voice)

Peter Cullen
Eeyore (voice)

Kath Soucie
Kanga (voice)

Ken Sansom
Rabbit (voice)

Max Burkholder
Roo (voice)

Kyle Stanger
Lumpy (voice)

Tara Strong
Porcupine (voice)