TOS-r: Errand of Mercy
When I first bought a vcr for taping TOS in the early 80s, I usually paused during commercials, but occasionally they would slip through. Readers in the Kansas City area might remember those weirdass Boots Williams Ford commercials. And Ed Muscare, at Channel 41 as their horror movie host The Creeper, and a children's show host musically playing what he called the cat-o-phone. Muscare was later arrested on sex offender charges. There's a Wiki article on him, but you might have to hunt for it.