The Hunt For Atlantis: New clues narrow down the possible location of Atlantis and suggest that Plato's mysterious island was the home of an advanced civilisation. (S1, ep 2)
The Roswell Rock: Ancient Aliens' Giorgio Tsoukalos investigates whether aliens lie at the heart of Earth's most famous mysteries, beginning with the enigma of Roswell Rock. (S1, ep 1)
World's End: Lisa has to make a game-changing decision: help a competitor push further into the arctic unknown, or stick with her teammates and convoy back to Polar HQ. (S8, ep 12)
Journey to the End of the Earth: With temperatures rising and the winter roads melting away, it's a mad dash to the finish line and VP Express and Polar are neck and neck (S8, ep 11)
Icing On The Lake: Darrell continues teaching Reno how to drive the ice roads, Art gets some royal help on a trip far north and Lisa and Todd hit a road block. (S8, ep 10)
Flirtin' with Disaster: With Darrell's new company on a roll, he calls in a surprising reinforcement. But can this new team member hack the treacherous ice roads? (S8, ep 9)
Highway To Hell: Lisa and Todd take on one of their toughest missions yet when they tackle a dangerous untamed trail. Meanwhile, a crash threatens to end Alex's season. (S8, ep 8)
Blazing The Trail: Rising temperatures force the truckers to risk it all on rapidly thinning ice. With the pressure on, Art makes mistakes that place his job in jeopardy. (S8, ep 7)
The Lone Wolf: VP Express hauls the most lucrative load to date as part of a dangerous plan to crush their competition. A defection in the ranks brings further tension. (S8, ep 6)
Storm Troopers: Art, Todd and Lisa push their luck as they dare to cross buckling ice. A row between Darrell and his boss could mean big change on the winter roads. (S8, ep 5)