Where to stream

The Fourth Arm

6.519831 seasonTV SeriesDramaWar & Politics

Starring Paul Shelley in a role reminiscent of his Secret Army character in all but name, this 12-part serial follows a team of secret agents parachuted into occupied Europe during World War II, exploring their recruitment, training, and first mission behind enemy lines.

ProducersGerard Glaister·John Brason

Where to watch

Not streaming yet

Coming soon

No streaming availability found for The Fourth Arm anywhere yet.

Seasons & Episodes

E1

Part One

Jan 7, 1983

E2

Part Two

Jan 14, 1983

E3

Part Three

Jan 21, 1983

E4

Part Four

Jan 28, 1983

E5

Part Five

Feb 4, 1983

E6

Part Six

Feb 11, 1983

E7

Part Seven

Feb 18, 1983

E8

Part Eight

Feb 25, 1983

E9

Part Nine

Mar 4, 1983

E10

Part Ten

Mar 11, 1983

E11

Part Eleven

Mar 18, 1983

E12

Part Twelve

Mar 25, 1983

Cast

Paul Shelley

Maj. Hugh Gallagher

More like this

Marvel's Agent Carter

Marvel's Agent Carter

Foyle's War

Mission: Impossible

Mission: Impossible

Restless

12 O'Clock High

12 O'Clock High

Madam Secretary

Madam Secretary

Tinker Tailor Soldier Spy

Tinker Tailor Soldier Spy

Danger Man

Combat!

Fleming

The Undeclared War

The Undeclared War

Pearson

The Fourth Arm — streaming FAQ

Which OTT platform streams The Fourth Arm?

The Fourth Arm isn't streaming anywhere in United States yet.

Is The Fourth Arm on Netflix?

No, The Fourth Arm is not on Netflix in United States as of August 2026.

Is The Fourth Arm on Amazon Prime Video?

No, The Fourth Arm isn't on Amazon Prime Video in United States right now.

Where can I watch The Fourth Arm for free?

The Fourth Arm isn't streaming in United States yet, so there's no way to watch it free at the moment.

How many seasons are in The Fourth Arm?

The Fourth Arm has 1 season in total (12 episodes). The series concluded in 1983.

Are all episodes of The Fourth Arm out yet?

Yes — all 12 episodes across 1 season of The Fourth Arm are out and available to stream.

Is there a Season 2 of The Fourth Arm?

No — The Fourth Arm ended after 1 season, so there is no Season 2.