Knock on Wood
- Episode aired Jul 10, 2006
- TV-Y
- 24m
The Little Einsteins help an Ivory-Billed Woodpecker named Tapper to find his friends.The Little Einsteins help an Ivory-Billed Woodpecker named Tapper to find his friends.The Little Einsteins help an Ivory-Billed Woodpecker named Tapper to find his friends.