The Lake Garda Monster has been described as a huge, humped bear - half snake, half dinosaur. Jeremy travels to northern Italy to investigate, and discovers that these picturesque waters could be hiding several enormous beasts.

Jeremy Wade travels to Alaska to investigate the disappearance of the majestic king salmon. His search will take him through the heart of grizzly bear territory, remote native communities and ultimately the Pacific Ocean as he follows a trail of evidence.

Jeremy heads to Australia to investigate a terrifying underwater attack by a six-foot beast in a remote Outback river. As his investigation unfolds, Jeremy is faced with the exciting possibility that a giant predator he once thought extinct could be back.

The Aleutian Islands are home to some of the most remote communities on earth. Jeremy Wade sets out to investigate reports of strange, alien species in the waters surrounding the islands and the disappearance of fish that have been there for generations.

Something is wiping out the fish in the Australia's Fitzroy River, and Jeremy Wade is determined to discover the cause. Evidence points to the arrival of a new top predator, but could something far more insidious be spreading into Western Australia?