After a wobbly start and a second episode so distressing we didn’t even write a blog about it, Sherlock finally gave the fans (apart from those it’s-all-about-the-brolance twerps on Tumblr) what they wanted with last night’s barnstorming episode. We trot across the big/small screen divide to look at some other third instalments that have restored faith in their respective franchises.

It is a truth universally acknowledged that a horror movie with a domestic gross amounting to a small fortune must be in line for a string of sequels of ever-diminishing quality. Almost all of them are terrible, being licenses to print money and all. But every now and then, by some strange alchemy, one of them.. isn’t. Here are five of our favorites, and one that we’re clearly over thinking.