The Fourth Arm

Gallagher hands over his new unit to Lt. Col. Squires to begin their training. Scientist Stephen Lovell might be the most vital person on the mission but the army intend to play hardball with him.

All Episodes - Season 1

Episode 1

Part One

Episode 2

Part Two

Episode 3

Part Three

Episode 4

Part Four

Episode 5

Part Five

Episode 6

Part Six

Episode 7

Part Seven

Episode 8

Part Eight

Episode 9

Part Nine

Episode 10

Part Ten

Episode 11

Part Eleven

Episode 12

Part Twelve