Mastermind is the tenth episode of the fourth season of Mission: Impossible, and the eighty-eighth episode overall.
Guest Star: Donnelly Rhodes (Lou Merrick)
Co-starring: Paul Stewart (Jonas Stone), William Bryant (Nicholson), Gerald Hiken (Thomas Galvin), Ben Wright (Dr. Irving Berman), Joel Lawrence (Carter), Lucas White (Flynn), Alice Reinheart (Nurse Larkin)
Mobster Lou Merrick has collected a million dollars in blackmail from government officials, and plans to use it to buy into the Syndicate's narcotic trade. The IMF must first drug his boss Stone then convince Merrick that the paralyzed mobster is "speaking" through clairvoyant Paris, to convince Merrick to invest the million dollars in a phony drug deal they've set up.