The Super Sleuths have a new mystery--All the acorns on the biggest tree in the Hundred-Acre Wood are disappearing Young children will have a blast helping their sleuther friends make this mystery history, while learning to count the acorns that disappear from every page.My Friends Tigger and Pooh debuted on the Disney Channel as part of the Playhouse Disney block in May 2007 and is a hit among preschoolers worldwide. Two fun new friends, Darby, and her dog Buster, join Tigger, Pooh and the rest of your children's favorite Hundred-Acre Wood friends.