10 Films You Must Never Watch With Your Parents

2. The Human Centipede (First Sequence)

As with comedies, there's plenty of examples of painfully extreme horrors that you'd - Saw, A Serbian Film and Hostel are the immediate three that jump to mind - but in terms squirmability they can't match the gross-out disgust of The Human Centipede. A concept so simple in its horrors the film's notoriety spread with the speed of a heavily marketed blockbuster, this is a film so poorly constructed outside of its base concept it's not really worth watching in any situation. But if you must, a movie where characters are connected mouth to anus should clearly be something not for family consumption.

A sequel which follows a car park attendant obsessed with the first film creating an even more grotesque creature is even worse, but why anyone would think to watch a follow up to something already so shocking is beyond us. Screen Junkies did a great video a year ago where host Hal Rudnick and his mother sat down and watched the whole thing from beginning to end, showing just how awkward things can get.

The Worst Bit: The defecating scene the film's been building up to since it first unveiled the concept has to be the worst, with Dr. Heiter expressing almost sexual pleasure at the event.