If you look at it from a certain angle, under a certain light, the Man from UNCLE's episode "Foxes & Hounds Affair" could potentially be porntastic.
Mr Waverly & his ex-boyfriend (and one of the villains of the piece) Victor Marton, as played by Vincent Price. They, like, went to Harvard together or something. In my newfound fanon, anyway. "Really, Victor, don't push my buttons," Alexander tells him irritably after Victor has done too much snooping around. Push my buttons indeed.
The female innocent in this episode is not the flirting type. "I, uh, I travel a lot instead," she tells Illya and Napoleon nervously as they're waiting around to die in a cell that happens to be in a funeral parlor.
"You're a woman," Illya responds, "haven't you had your basic training?"
She tells him no, she says she can't seduce the guard the way they want her to, and Illya and Napoleon proceed to GET THE EXACT SAME IDEA AT THE EXACT SAME TIME.
THEY WENT THERE. Okay, so that was actually as far as they went there--hey, this was the '60s--but still. I almost fell off the couch.
Hey, she knows a good thing when she sees it. (Illya's all for it. Napoleon is more dubious. Who would have thought?)
Also, Illya punched Napoleon in the nose during the big fight scene. Accidentally, of course.
A couple random Illya shots that I might as well share because they are priceless:
To paraphrase Kermit: It's not easy, being short.
That's exactly what he says, too, after shooting up the bad guys. With Napoleon's help, of course. (Illya Kuryakin is my hero.)