With three activists aboard the Japanese security vessel, Captain Paul Watson hopes the media frenzy will force the Shonan Maru 2 to back off. Meanwhile, the crew of the Steve Irwin are plunged into their most violent battle yet.

When a massive target is detected on their radar, Sea Shepherd sends out their new helicopter pilot to ID the vessel. But as the helicopter reaches the limits of its fuel range, it abruptly disappears, crashing into radio silence.

After months of frustration, the Sea Shepherd finally finds its target, the Nisshin Maru. Now they must run an 8-mile gauntlet blocked by two harpoon ships aggressively defending their mother ship.

The Sea Shepherd embarks on its 10th anti-whaling campaign, but for the first time they are without Captain Paul Watson. Peter Hammarstedt takes the reigns as leader, where a single misstep could cost hundreds of whales their lives.

With a brutal storm threatening to strike & crew members refusing to obey orders, campaign leader Peter Hammarstedt finds himself struggling to maintain control. With the Japanese harpoon ships looming, the campaign may be in trouble.

The battle to stop whaling reaches its apex as the Bob Barker & a Japanese harpoon ship collide. Sea Shepherd must track the whaling fleet by helicopter, but when a blizzard blocks communications and freezes instruments, hope fades.

Bobo, Cliff, Matt and Ranae travel to the forests of northern Georgia to examine footage of what could be a Bigfoot running across the road.

The team heads to northern Florida to help a family that believes they have a Bigfoot living on their property, then they meet with members of the Seminole nation, whose history with the creature goes back hundreds of years.

From deep inside the NC Uhwarrie National forest comes one of the most convincing pieces of Bigfoot footage from the past 40 years. Investigators use decades worth of experiences to determine if this footage is the real deal.

The specialists head to Oregon to examine a video taken on a rafting expedition. While investigating, the team hears a sound in the middle of the night that they believe could prove the creature's existence.

The investigators journey into the mountains of southern Washington to explore a series of photos that depict what some believe is a Bigfoot on a snowy peak.

A call from a concerned mayor brings the team of experts to the island of Prince of Wales, Alaska. The island has a long history with the beast, but a recent spike in activity has the townspeople on edge.

Bobo, Cliff, Matt and Ranae return to Oregon to participate in their favorite event, Bigfoot and Beer. The team reflects on their expeditions, answers questions and shares some never-before-seen moments.

The team heads to New York to investigate video of an alleged baby Bigfoot. When locals report activity in the neighboring woods, the team tries a new search method in hopes of finding Bigfoots near the Big Apple.

The investigators go to Rhode Island to examine video of a roadside sighting of a Bigfoot. They learn that this unexplored area has a wealth of Sasquatch activity and hope to prove that this small state is hiding Bigfoots.

The team heads to Minnesota to investigate intriguing howls recorded at an infamous Bigfoot hot spot. They go deep into the wild, hot on the trail of Bigfoots rumored to be bigger and bolder than any other on earth.