
6 Season
179 Episode
Martha Speaks - Season 3 Episode 19
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.
- annos singulos: 2013
- Patriam: Canada, United States of America
- genus: Animation, Kids, Family
- Studio: PBS Kids, TVOntario
- keyword: animation, discovery kids
- Director: Susan Meddaugh
- cast: Alex Ferris, Tabitha St. Germain, Madeleine Peters