Fifteenth broadcast episode of The Prisoner, where Number Six becomes his former self

Reference

The Girl Who Was Death - Wikipedia, the free encyclopedia
"'The Girl Who Was Death' is a television episode of the British science fiction-allegorical series, The Prisoner. It originally aired in the UK on ITV on 18 January 1968. According to several sources, including The Prisoner by Robert Fairclough, this episode was adapted from an unused, two-part script originally commissioned for Danger Man. ..."

Memorable Scenes

The Number 6 (poison antidote) Cocktail
(Number 6 drinks a beer and learns he has been poisoned)
Barmaid: Same again, sir?
Number 6: No thank you. One of those is quite enough. Brandy.
Barmaid: (serves the brandy)
Number 6: Whiskey, vodka, Drambuie.
(Number 6 drinks the brandy and barmaid serves the other drinks)
Number 6: Tia Maria, Cointreau, Grand Marnier.
(the barmaid continues serving drinks and Number 6 continues drinking them)
Barmaid: Sir, you'll make yourself sick.