Lead cast: Kim Ji-eun, Bae In-hyuk, Jung Gun-joo, Park Jae-chan

Latest Nielsen rating: 4.16 per cent

When we watch something that we deem to be too long, it all well and good to say that its makers should have cut a certain amount of minutes or episodes. It is another thing to determine exactly where those judicious cuts should have been made.

Every so often, though, it is obvious what should have gone, and seldom do we get so clear an example of this as Check-in Hanyang.