"Operation Time" is the eighth episode of the British Supermarionation television series Captain Scarlet and the Mysterons. First broadcast in the United Kingdom on 17 November 1967 (1967-11-17) on ATV Midlands, it was written by Richard Conway and Stephen J. Mattick and directed by Ken Turner.In this episode, a Mysteron vow to "kill time" confuses Spectrum until the target is discovered to be a military general who is due to receive revolutionary neurosurgery.