The Horns of Nimon
Through some bit of cosmic misfortune, this is currently one of the few bits of classic Who I’ve seen. Several years ago my wife and I were lying on the couch (possibly sick or something) and noticed classic Who was on some free pre-scheduled streaming channel and caught like the back 2/3 of this arc. Definitely way the hell up there on the cheese scale, as well as the “not a whole lot actually happens other than running around” scale.
I cannot imagine being a Doctor Who fan - classic or nu - outside the UK and having to navigate the endless moving from platform to platform the series goes through seemingly every couple of months.
Yeah, I watched most of nu Who legit in the places it was on when I got to it (and wherever it was debuting for the more last couple doctors), but it’s gotten pretty ridiculous. After losing my job last year I set up a somewhat fiddle but effective universal torrent/stream service and thankfully most everything is findable on there (though the plethora of specials do occasionally make tracking things down in order a chore since it sometimes flummoxes the service’s automatic categorization algorithms).