This is more of a 'What Are You Not Watching?' post, but anyway...
I often watch Columbo on a Sunday here in the UK, perfect Sunday afternoon viewing for when you are cleaning the house or making dinner etc.
There's one episode that was in the regular rotation on UK TV, 'The Conspirators'... it's a rare episode where Columbo almost becomes friends with the murder suspect, and they go out drinking together one night. As such, it is something of a fan favourite, even if the acting a bit hammed up in places.
Anyway, in the last couple of months it has mysteriously vanished from the rotation... and I think I know why. The murderer is, in fact, a gun runner for the IRA - the Irish Republican Army - and currently tensions in Northern Ireland are running high because of Brexit, among other things. I don't think it is a coincidence that the only Columbo episode to reference 'Sinn Fein' and the IRA has suddenly vanished.
This kind of thing tends to happen quite alot in the UK - episodes that reference 'sensitive' topics get pulled, sometimes to never be seen again. I hope that isn't the case with 'The Conspirators' - I mean, it's not as if someone is going to be watching Columbo some Sunday afternoon while cooking a Sunday roast, see 'The Conspirators' and suddenly feel the need to join a paramilitary organisation. I guess some people might be offended by the references to the IRA, but then again, Columbo is a series which involves someone getting murdered right at the start of the episode... every. single. time.... so it's not like Columbo fans are an especially sensitive bunch.