The Avengers: 5x23
The Positive Negative Man
When a scientist is found embedded in a wall, Steed and Emma pursue a man in make-up and wellies, whose appearance is terribly shocking.
5 - 1The Fear Merchants Jan. 21, 1967
5 - 2Escape in Time Jan. 28, 1967
5 - 3The Bird Who Knew Too Much Feb. 11, 1967
5 - 4From Venus With Love Jan. 14, 1967
5 - 5The See-Through Man Feb. 04, 1967
5 - 6The Winged Avenger Feb. 18, 1967
5 - 7The Living Dead Feb. 25, 1967
5 - 8The Hidden Tiger Mar. 04, 1967
5 - 9The Correct Way to Kill Mar. 11, 1967
5 - 10Never, Never Say Die Mar. 18, 1967
5 - 11Epic Apr. 01, 1967
5 - 12The Superlative Seven Apr. 08, 1967
5 - 13A Funny Thing Happened on the Way to the Station Apr. 15, 1967
5 - 14Something Nasty in the Nursery Apr. 22, 1967
5 - 15The Joker Apr. 29, 1967
5 - 16Who's Who??? May. 06, 1967
5 - 17Death's Door Oct. 07, 1967
5 - 18Return of the Cybernauts Sep. 30, 1967
5 - 19Dead Man's Treasure Oct. 21, 1967
5 - 20The £50,000 Breakfast Oct. 14, 1967
5 - 21You Have Just Been Murdered Oct. 28, 1967
5 - 22Murdersville Nov. 11, 1967
5 - 23The Positive Negative Man Nov. 04, 1967
5 - 24Mission... Highly Improbable Nov. 18, 1967