3.8
S4E1 - Arctic Circle
Grylls goes to the Arctic Circle, where he encounters a frozen waterfall, wild reindeer and some of the coldest conditions on the planet.
Aug. 12, 2009, midnight
3.3
S4E2 - Alabama
Grylls wrestles a pig, squeezes through some tight spots, and survives a forest fire in the swamps of Alabama. It is revealed that Grylls broke his shoulder while in Antarctica two months previously.
Aug. 19, 2009, midnight
5.5
S4E3 - Vietnam
Grylls demonstrates what it was like for soldiers who had to survive in the jungles of Vietnam, during the Vietnam War.
Aug. 26, 2009, midnight
5.5
S4E4 - Texas
In Western Texas, Grylls falls to earth from an upturned biplane into the parched Chihuahuan Desert; he traverses deep gorges, locates an oasis and takes on a diamond back rattlesnake.
Sept. 2, 2009, midnight
5.5
S4E5 - Alaska
Grylls returns to the wilderness of Alaska to survive the dangerous terrain of the Last Frontier.
Sept. 9, 2009, midnight
5.5
S4E6 - Pacific Island
Grylls is on a deserted Panamanian island; he creates fresh water and chooses to use tribal fishing techniques before battling the sea on a makeshift raft. Later in the episode he gives himself an enema in order to stay hydrated on the open seas.
Jan. 6, 2010, midnight
5.5
S4E7 - China
Bear does all his usual acrobatics while suffering through Typhon Parma in China including swinging on a vine, monkey climbing over a gorge and cliff diving.
Jan. 13, 2010, midnight
5.5
S4E8 - Big Sky Country
Grylls takes on Big Sky Country. He paraglides above the Rockies, traverses vast gullies, and makes the most of abandoned debris before making his great escape on a moving train.
Jan. 20, 2010, midnight
5.5
S4E9 - Guatemala
Jan. 26, 2010, midnight
5.5
S4E10 - Urban Survivor
Grylls is in a post-disaster urban city scenario and he must survive. His thirst to live and survival techniques modified for a city environment keep him alive in a concrete wasteland in Gdynia, Poland.
Feb. 3, 2010, midnight
5.5
S4E11 - North Africa
Grylls crosses the Sahara desert to the North Africa coast, where he catches an octopus, fashions a shelter out of acacia trees and dines on moths and locusts.
Feb. 17, 2010, midnight