In this leg of the expedition, the eight survivalists paddle 40 miles through a minefield of icebergs and glaciers in Prince William Sound.
How India moved to join the Himalayas and how other continents will be joined with Europe.
Linden and Holder catch up to the latest victim; Seward faces his past; Bullet struggles with the truth while in the jungle.
Tom, Bea, and Pete drive to Barstow, where they find that great-great-grandmother Rebecca was not Native American, as Tom had thought.
Survivalists EJ Snyder and Kellie Nightlinger survive in Tanzania's Serengeti Plain, putting their skills to the ultimate test.
Chloe enjoys her first day in her new job while Joey and Ferne clear the air at Charlie K's Michael Jackson themed party. Lucy agrees to meet Mario but it ends in arguments as Mario reveals Lucy made a sex tape with Dan in Marbella. James continues to annoy Joey as he pursues Sam. Chris confesses to Dan about telling Mario about the sex tape which causes bickering. As Dan and Lucy discuss the recent events, Dan announces he wants to meet with Mario. Ricky attempts to win Jess back by taking her to a spa.
Hugh's new company is in trouble. Mechanical trouble and angry employees cause him grief. Meanwhile, Lisa gets a chance to prove herself with her heaviest load of the season. Darrel faces a new problems.
Luce finds an inappropriate picture of Georgie on Facebook. Caroline struggles to keep her crumbling marriage a secret and Matt continues to hide the reason he's leaving his family.
Sue gets a rare hunting opportunity when a flock of birds end up in her yard; Erik has a snow-machine accident while out setting traps.
Eric is irate about Burrell's aggression towards vampires; Bill enlists an innovator to synthesize a new type of blood; Sookie begins to learn why Warlow is after her; Sam receives unexpected help from Nicole; Steve Newlin struggles with his past.
Sanjay strands his pals on a highway median, and everyone gets upset during the experience.
Nadine Velazquez visits two of her childhood homes in Chicago.
General Monger takes Susan, B.O.B. and Sqweep on a camping trip to the desert. But when a lightning storm destroys their supplies and Monger is injured, Susan must take charge to get them back to base.
Tom and Sam clash over the best course of action when a mother can no longer cope.
The Blues disguise themselves as eggs for fun. The pigs kidnap the birds thinking they are the real eggs, and then other pigs go into the nest pretending to be eggs as well.
Ian breaks an important rule by beating up a man in a bar brawl, which puts Jason's medical skills to the test. Meanwhile, Jason tries to mend his relationship with Lena; and Olivia is unnerved by Ian's stalking.
Sasha offers Father Douglas a disturbing arrangement; a mysterious new tenant moves into the Drake; Alexis makes a discovery about Louise.
A further selection of creepy-crawly close-ups, focusing on courtship in the bug world. Highlights include scorpions shaking their booty, the perfume-wearing nasonia wasp and the tropical cricket, for whom romance goes out of the window as it uses bribery to seal the deal with would-be partners. One potential partner to steer well clear of, however, is the praying mantis, the female of which is notorious for eating the male just after - or even during - mating. Narrated by David Attenborough.