A boy is struck down with a strange condition. A woman has bizarre symptoms that push her to the brink of madness. A toddler falls into a trance-like state.

A teenager develops mysterious blotchy sores. A tough athlete is struck down by a rare disease. A woman battles strange bouts of vomiting.

A man starts coughing up blood. A newlywed husband is struck down by a rare disease. A young father experiences crippling abdominal pain.

An infant is suddenly paralyzed. A young father grapples with a monster that threatens to blind him. A woman's excruciating pain confounds experts.

A young woman is struck down by a dangerous parasite. An infant becomes mysteriously ill. A Midwestern man is brought to the brink by a deadly fungus.

Three unwanted Christmas surprises. A man bangs his head and is left fighting a one-in-a-million medical mystery. A wound in a boy's knee harbors an uninvited guest. And a man unwittingly feeds his own intended killer.

A man develops a strange growth on his wrist. A nurse sees twig-like pieces in her urine. A pregnant woman falls dangerously ill with flu-like symptoms.

The Wardens use night vision to catch night hunters and poachers. Then, Warden Laflamme must take matters into his own hands to protect the public from a tragic outcome.

The Warden Service kicks into high gear as they search for poachers and crack down on dangerous firearm activity. Warden Kris Maccabe goes on a stake-out in the bush to bust "heater-hunters", people who hunt birds from the warmth of their trucks.

Two teams of Wardens join forces to bust ATV scofflaws and end up in a dramatic high-speed chase. Rookie Warden Bates responds to a strange call: a report of a mysterious dead deer strung up by a chain and missing a leg deep in backwoods territory.

During hunting season, nearly every person the Maine Game Wardens encounter is armed, and many are dangerous. One team of wardens investigate the shooting of a turkey hunter that could be an attempted homicide while another team sets up a stakeout.

Hunters rush to stock up their freezers with deer, moose and bear meat for the winter ahead. The Wardens track a trail of blood to a man that may be poaching deer. The arrival of snow and ice sends the Wardens into the back country for ice fishing.

Things don’t slow down in winter for the Wardens, even in freezing temperatures. A team of Wardens rush to the scene of a serious nighttime snowmobile accident while another warden is on a stakeout for coyote poachers.

In 1976, a packed coach crashed into the Amazon killing 39 people. Some of the bodies had been so viciously mutilated by piranhas they could only be identified by their clothes. Extreme angler Jeremy Wade investigates the piranha.

Jeremy Wade travels to Texas to uncover the truth behind the alligator gar.

Jeremy travels to Germany and discovers the the truth wels catfish.