Season 1

01 The Last Man Episode 112th January 1966 Allied Intelligence must convince the Germans that March is loyal to them: information has leaked out about a new Nazi super-weapon, and March is the only agent who has access to the invention. 02 Target, David March Episode 219th January 1966 03 The Fortress Below (1) Episode 326th January 1966 04 The Weapon Within (2) Episode 42nd February 1966 05 Traitor's Blood Episode 59th February 1966 06 Agent of the East Episode 616th February 1966 07 Sacrifice! Episode 723rd February 1966 08 The Secret War Episode 82nd March 1966 09 Invasion by the Stars Episode 99th March 1966 10 The Return of Elm Episode 1023rd March 1966 11 Jet Trail Episode 116th April 1966 12 How to Kill a Toy Soldier Episode 1213th April 1966 13 The Deserters Episode 1320th April 1966 14 The Other Fuhrer Episode 1427th April 1966 15 The Key to the Code Episode 154th May 1966 16 Field of Dishonor Episode 1611th May 1966 17 The Friendly Enemy Episode 1718th May 1966 David receives orders to kill a German scientist who is very close to completing an atomic bomb for the Nazis. But then he learns that the man may be working against the Nazis after all.