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The crew are forced to go back across the Bering Strait to the US and Steven tries to convince the men to re-route and head through the Northwest Passage.
The men free themselves from a lagoon, but Andrews attitude begins to effect the team. Steven puts Andrew on notice.
The team attempt their longest day of travel yet and end up camping on a beach with huge Brown Bears. An Arctic storm traps the men at an Alaskan village.
En route to Barrow the team get stuck in a maze of Arctic Ice. Steven is forced to send someone home while the crew prepare to push into the Beaufort Sea.