There are certain TV shows that we've long ago stopped watching - Friends, Six Feet Under, Dawson's Creek - but still can't forget, even now.
Why? Their ludicrously catchy theme tunes. That and their well-written storylines, dialogue and characters, of course.
As if to emphasise that undeniable fact - the fact that certain TV show theme tunes are impossible to get out of your head, that is - New York's "Koren Ensemble" band have created this lovely little medley of them all.
Boasting everything from Cheers to Curb Your Enthusiasm, it's a fun little game trying to recognise them all. We've watched it four times, and we're stuck on 13. Can you guys do any better?
If you want to find out more about the chaps behind the little musical mash-up, head to their Facebook page, which you can find here. Oh, and their YouTube channel, where you can hear more pieces of wonderment.