When their animal friends need help, brother-and-sister team Toby and Teri use the clues and follow the facts to solve mysteries in their own backyard.
Season 2 · Episode 1 ·
The Case of the Wandering Water / The Case of the Mysterious Melody
Someone -- or something -- is stealing water in Acorn Springs. A mystery singer in the woods matches Millie's voice in perfect harmony.
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Episode 1 of season 2 of Treehouse Detectives: “The Case of the Wandering Water / The Case of the Mysterious Melody”. Aired 2018-11-09. Watch it online free on ZapFlix.