Seinfeld: The Red Dot

When Elaine helps George get a job at her publishing house he buys her a cashmere sweater on sale, due to a small red dot on the sweater, as a thank you gift. Elaine notices the blemish and gives the sweater back to George who in turn then gives it to the cleaning woman at their office, who he had sex with, in an attempt to keep her quiet about the rendezvous. Meanwhile, Jerry accidentally causes Elaine's recovering alcoholic boyfriend to fall off the wagon.