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A classic Avengers entry, this episode originally aired in England on October 16, 1965. Several industrialists are murdered by what appears to be a super-strong karate expert. Sent to investigate the killings, Steed and Emma discover that the murderer is actually a gigantic robot, the creation of a mad scientist bent on developing a race of similar humanoids. Burt Kwouk, the unforgettable "Cato" of the Pink Panther movies, plays an important supporting role. Written by Philip Levene, "The Cybernauts" was the first Avengers episode to be telecast in America, on March 28, 1966.