The Avengers

Season 1, Episode 16

Episode Title: The Yellow Needle

Air Date: 1961-06-10

Overview:

After an unsuccessful murder attempt against Sir Wilberforce Lungi, Steed asks Keel, an old friend of the pro-Western African leader, to investigate Lungi's secretary, Jacquetta Brown. Meanwhile, Steed flies to Africa to meet Lungi's tribalist rival, Shebro.