Devin catches a 148.5 ahi tuna - the largest of its kind caught from a basic kayak.

For shallow water diving in Maui, Kimi decides to trade her spear gun in for a three prong spear.

Isaac and Jay work together to build an outrigger out of bamboo so they can go after more fish at once.

Jason Valle needs to act fast when his mentor, Boogie-D, accidentally falls out of his kayak in the waters off Oahu.

Armed with a homemade outrigger, Isaac and Jay go on a fishing frenzy and hook as many mahi and ono as they can to complete a large order.

A southern sea lion tires of chasing gentoo penguins in the surf and attempts to run one down on the beach. Both champion swimmers, these two are anything but graceful on land.

A pack of northern gray wolves harass and then attack a herd of wood bison. This is the first time wolves have been filmed hunting bison, both from the ground and from the air.

Frozen Planet represents the most extensive filming of the Antarctic interior ever attempted. Series Producer Vanessa Berlowitz explains how this was done from a twin engine airplane.

A mother polar bear escorts her cubs across the ice, but the youngsters are too interested in playing, in this scene from Frozen Planet.

The Frozen Planet film crew went to incredible lengths to film penguins in Antarctica. Two went a bit stir crazy filming an Adelie penguin colony, while others braved freezing temperatures to capture emperor penguins.

An Adelie penguin turns to a life of crime to build the perfect nest on Antarctica's Cape Crozier.

The Arctic's woolly bear caterpillar freezes solid every winter, the natural antifreeze in its body keeping it from dying. It takes 14 years before it has eaten enough to become a moth.

An Antarctic fur seal pup's life hangs in the balance as two males battle for mating rights in the middle of the colony. Will the pup survive or be crushed by the combatants?

Arctic wolves attack a musk ox calf on Canada's Ellesmere Island, but the herd rushes to its defense. When threatened, musk oxen will form a defensive circle around the calves, the sick and the elderly.

Tracking killer whales in Antarctica would be impossible without satellite tags. These tags allowed the Frozen Planet film crew to pinpoint the location of the orcas, and film their behavior for the series.

An older caribou bull is forced to fend off a herd of young males intent on stealing his mate. Will he stop to fight or keep up with the chase? He has to play his cards right, as the victor will be the new "boss."