Experts investigate reports of a secret alien base deep inside Alaska's highest mountain. Video evidence suggests extra-terrestrial activity in Fairbanks. Jakso 1 Kausi 1 Vuosi 2020

A cryptozoologist hunts for scientific proof of Bigfoot in the remote Alaskan wilderness. Experts investigate a mysterious vortex of energy linked to disappearances. Jakso 2 Kausi 1 Vuosi 2020

Josh Gates starts his extra-terrestrial search with a visit to NASA and an alien-hunting expedition in Chile, where scientists make new discoveries. Jakso 1 Kausi 1 Vuosi 2017

Don Wildman investigates a prison fortress in London. He also examines a sculpture honouring civil rights and tells the tale of an esteemed novelist. Jakso 8 Kausi 3 Vuosi 2015

Don Wildman examines a wall that gave rise to daring escapes. He gazes at a star that marks a Hollywood scandal and honours the statue of a pioneering scientist. Jakso 2 Kausi 3 Vuosi 2015

The team heads to southern Alaska to investigate sightings of a highly temperamental Bigfoot. Todd and Rhett build a huge, electrified tepee to catch it. Jakso 6 Kausi 1 Vuosi 2014

Time is short in Saqqaq and Eric pushes the team to explore every corner. After Jesse and Gator refuse, only Americo follows Eric up a deadly 1200 ft slope. Jakso 4 Kausi 3 Vuosi 2014

In 2014, Malaysia Airlines flight MH370 vanished without a trace. Did it crash and if so, why can't the wreckage be found? Jakso 1 Kausi 1 Vuosi 2017

Chasing a two-billion-dollar fortune, a landslide and the infamous "Death Road" put the team in danger as they try to cross South America's Andes Mountains. Jakso 8 Kausi 2 Vuosi 2018

Josh Gates starts his extra-terrestrial search with a visit to NASA and an alien-hunting expedition in Chile, where scientists make new discoveries. Jakso 1 Kausi 1 Vuosi 2017

Don Wildman examines a wall that gave rise to daring escapes. He gazes at a star that marks a Hollywood scandal and honours the statue of a pioneering scientist. Jakso 2 Kausi 3 Vuosi 2015

Don Wildman visits London where a tall column commemorates the Great Fire of 1666. In Genoa, Nevada, he views a monument to a frontiersman. Jakso 12 Kausi 3 Vuosi 2015

The Alaska Midnight Sons head to a dog mushing community near Tok, Alaska, to investigate a Bigfoot that has been stalking dogs in the dead of winter. Jakso 1 Kausi 2 Vuosi 2016

Eric continues to battle gold fever as he pushes himself and his team well past their limits. The miners have only two days left to explore the three areas in Saqqaq. Jakso 5 Kausi 3 Vuosi 2014

After a huge cargo ship suddenly vanishes with 27 crew members on board, new evidence suggests the culprit may be a mythical rogue wave. Jakso 3 Kausi 1 Vuosi 2017

The team find a clue that leads them to consult with a local who is knowledgeable of the area. With his help, they find the entrance to a secret underground tunnel system. Jakso 9 Kausi 2 Vuosi 2018

Josh is on Easter Island, where ancient alien theorists believe aliens visited millennia ago. And, he goes meteorite hunting in Zimbabwe. Jakso 2 Kausi 1 Vuosi 2017

Two astronauts trapped in the vacuum of space face an agonising death. Plus, the first close up images of Pluto reveal an alien landscape. Jakso 7 Kausi 3 Vuosi 2016

The 120-year-old St. Ignatius Hospital in Washington has been abandoned since 2003, but is hardly uninhabited. Nick Groff and Katrina Weidman check in. Jakso 4 Kausi 2 Vuosi 2015

Steve DiSchiavi and Amy Allan travel to Chicago to investigate paranormal activity terrorizing the employees and customers at a tattoo parlour. Jakso 3 Kausi 8 Vuosi 2017

A family are settling into their new home when a neighbour warns them about strange creatures in the woods. What is out there? Jakso 2 Kausi 3 Vuosi 2021

The TWC team travels to the Jersey Shore to explore the paranormal history of holiday town Cape May. They investigate the town's infamous Emlyn Physick Estate. Jakso 6 Kausi 1 Vuosi 2017

The Cambria County Jail in Pennsylvania housed the area's worst criminals - and executions took place there in its early days. Nick and Katrina examine its hauntings. Jakso 7 Kausi 3 Vuosi 2018

After the owner's tragic death, a Victorian mansion is said to curse all who inhabit it. As Nick and Katrina stay at Illinois' most haunted house, do they risk danger? Jakso 11 Kausi 2 Vuosi 2016