Butch and Bill are ready to overtake the competition; Pete and Shey take it slow-and-steady.

43min • , TV-14 L • , Nov 30, 2014 • , CC

Butch and Bill look to increase their lead; Rich and Carl decide to follow Pete and Shey's strategy.

43min • , TV-14 L • , Dec 07, 2014 • , CC

The terrain becomes less forgiving; teams reach new highs, conquering the most intense elevations.

43min • , TV-14 L • , Dec 14, 2014 • , CC

The four remaining teams encounter permafrost bogs, hidden mud holes and treacherous ridges.

43min • , TV-14 L • , Dec 21, 2014 • , CC

Butch and Bill attempt to overtake the Super Jeep; Rich and Carl make their move.

43min • , TV-14 L • , Dec 28, 2014 • , CC

Rover rejoins the race; an ailing Carl makes Rich to try his hand at the wheel.

43min • , TV-14 L • , Jan 04, 2015 • , CC

Butch and Bill are resolved to finally close the gap on the lower forty-eighters.

43min • , TV-14 L • , Jan 11, 2015 • , CC

After a tiring marathon of muddy bogs and rocky slopes, the racers begin the final stretch.

43min • , TV-14 L • , Jan 18, 2015 • , CC