1: Treehouse Detectives The Case of the Wandering Water / The Case of the Mysterious Melody

2: Treehouse Detectives The Case of the Suspicious Snowflakes / The Case of the Missing Instrument

3: Treehouse Detectives The Case of the Absent Acorns / The Case of the Slippery Sticks

4: Treehouse Detectives The Case of the Bashful Ball / The Case of the Pond Monster

5: Treehouse Detectives The Case of the Reckless Raven / The Case of the Friendly Oak

6: Treehouse Detectives The Case of the Tall Tail / The Case of the Shooting Star

7: Treehouse Detectives The Case of the Flying Fish / The Case of the Soggy Sculpture

8: Treehouse Detectives The Case of the Super Sled / The Case of the Snowy Coat

9: Treehouse Detectives The Case of the Clumsy Crane / The Case of the Snowy Secret

10: Treehouse Detectives The Case of the Homemade Holiday / The Case of the Deputy Detectives