6 Season
179 Episode
Martha Speaks - Season 3 Episode 19 The Crooning Crook Caper
Helen wishes she could be a kid detective just like her favorite book character, Curious Crystal. When Helen and Martha find a business card for "The Whistler" with "You've been warned" written on the back, they think their career as super sleuths has begun.
- Year: 2013
- Country: Canada, United States of America
- Genre: Animation, Kids, Family
- Studio: PBS Kids, TVOntario
- Keyword: animation, talking animals, discovery kids
- Director: Susan Meddaugh
- Cast: Alex Ferris, Tabitha St. Germain, Madeleine Peters