Taxi - Season 5 Episode 4 : Scenskees from a Marriage (1) 1983

Latka is sent to rescue a female cabbie who is stranded in a snowstorm, but he breaks down as he reaches her. The two are freezing in her cab and decide to make love in order to avoid freezing to death. They survive and are rescued but Latka feels tremendous guilt and Simka realizes he's been unfaithful (despite the circumstances) before he can even tell her. Latka and Simka seek the guidance of their minister, who says to set things right, Simka must sleep with someone Latka works with. (Continued in part two)