The Kratts find a bull shark in a freshwater river which starts charging at them. Chris and Martin encounter a bull shark in freshwater. They explain that out of over 400 species of shark, this shark ...
Wild Kratts is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...
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