Sezon 4
Bölümler
1 Adapt or Die 18 Haz 2015 2 Dark Crossing 25 Haz 2015 3 Welcome to the Tundra 2 Tem 2015 4 Best Laid Plans 9 Tem 2015 5 Deadly Ascent 16 Tem 2015 6 Snowblind 23 Tem 2015 7 The Fallen 30 Tem 2015 8 Lifeblood 6 Ağu 2015 9 So Close, Yet So Far Away 13 Ağu 2015 10 Hard Target 20 Ağu 2015 11 Touchdown 27 Ağu 2015 12 Miles to Go 3 Eyl 2015 13 In the Blood 10 Eyl 2015 14 Winter's Gamble 17 Eyl 2015 15 Awakening 24 Eyl 2015 16 Hard Fought and Fairly Won 1 Eki 2015