The Sea Shepherds are headed back to frigid Antarctica for a tenth mission to stop Japanese whaling. Animal Planet s Emmy -nominated series Whale Wars goes deep inside the Sea Shepherd organisation to document this latest perilous campaign Operation Relentless . But, for the first time, they are without Captain Paul Watson. A confident Peter Hammarstedt takes the reins as campaign leader and captain of the Bob Barker, but he quickly learns he has big shoes to fill. A single miscalculation by the rookie leader could cost the lives of hundreds of whales. Tensions with the whalers are at an all-time high and the new campaign will likely be the most aggressive and dangerous the Sea Shepherds have faced. Whale Wars chronicles the latest Sea Shepherds mission of putting a stop to the Japanese whaling season before it even begins.