The Avengers

Season 1, Episode 8

Episode Title: The Radioactive Man

Air Date: 1961-02-25

Overview:

Dr Keel is asked to help in the search for a man who has picked up a radioactive isotope, not knowing that it will quickly kill him and harm anyone else he comes into contact with. But Marko, fearing that the police want to find him because of his forged passport, has already gone into hiding.