Sigmund Spath Jr.

Researchers investigate whether orcas have begun hunting great white sharks off the coast of New Zealand.

Shark expert Kina Scollay and his elite team return with a unique one-person submersible, the Mechashark, to a top secret location off New Zealand attempting to do something that's never been done: locate a great white shark mating ground.

Researchers investigate whether orcas have begun hunting great white sharks off the coast of New Zealand.

Shark expert Kina Scollay and his elite team return with a unique one-person submersible, the Mechashark, to a top secret location off New Zealand attempting to do something that's never been done: locate a great white shark mating ground.