The Fourth Arm

Returning from France, Gallagher begins to compile a team of specialists to train for a one-off mission behind enemy lines. Not everybody is convinced that some can be trusted to follow orders.

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