Ocean Warriors

Marine Conservation Groups battle outlaw fishing vessels through frigid waters and treacherous territories with efforts to force the end of poaching and a criminal network of fishermen.

In Antarctica, Sea Shepherd clash with a notorious poaching vessel. An undercover sting operation in Tanzania leads the team to an explosives superdealer. And Jim Wickens exposes illegal shark finning by foreign ships in Palau's protected waters.

Sea Shepherd teams up with a commercial fishing boat to fight against the Thunder, a poaching vessel. Greenpeace activists confront a captain over the illegal shark fins in his ship's hold. In Tanzania, the team discover a cache of explosives.

Sea Shepherd teams up with a commercial fishing boat to fight against the Thunder, a poaching vessel. Greenpeace activists confront a captain over the illegal shark fins in his ship's hold. In Tanzania, the team discover a cache of explosives.

The captain of the Thunder sends out a mayday alert and calls on Sea Shepherd to rescue his crew; Jim Wickens turns his focus to high-seas slavery in Indonesia; Greenpeace clashes with fishermen while protecting the rare vaquita porpoise.

As the Thunder sinks, Sea Shepherd races to collect evidence of the vessel's illegal activity; in Mexico, the crew of the Farley Mowat rescues a large whale; in Indonesia, Jim Wickens .. show full overview