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With the Arctic storm nipping at their heels, the Keefer brothers race down the river to reach their next supply-yielding cache, only to become lost as the river divides into a maze of small channels.
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More episodes

"Head to Head"
With the Arctic storm nipping at their heels, the Keefer brothers race down the river to reach their next supply-yielding cache, only to become lost as the river divides into a maze of small channels.

"Edge of the Storm"
As the temperature plummets, the Keefer brothers fight their way down stream through freezing water and strong headwinds as they hope to reach their extraction site before the Arctic storm lays claim to it.

"After the Drop"
Chris and Casey Keefer recount their most memorable moments from this year's journey to Alaska's Brooks Range.

"Head to Head"
With the Arctic storm nipping at their heels, the Keefer brothers race down the river to reach their next supply-yielding cache, only to become lost as the river divides into a maze of small channels.
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