Blue LightSeason 11966 · 17 episodesEpisodes1The Last ManAllied 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.2Target, David March3The Fortress Below (1)4The Weapon Within (2)5Traitor's Blood6Agent of the East7Sacrifice!8The Secret War9Invasion by the Stars10The Return of Elm11Jet Trail12How to Kill a Toy Soldier13The Deserters14The Other Fuhrer15The Key to the Code16Field of Dishonor17The Friendly EnemyDavid 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.