Chris and Martin meet an adorable wolf cub. Chris and Martin meet an adorable wolf cub. Wild Kratts is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV ...

Wild Kratts ♪ (Laughing) MARTIN: Woohoo! (Gasping) I didn'’’t put this in my backpack. (Gasping) It'’’s kind of round, soft and fuzzy. A wolf pup can howl when he'’’s 3 weeks old.