Viewers are raving about Channel 4's "spellbinding" mental health comedy drama Pure

It may be tucked away in the TV schedules at 10pm on a Wednesday, but new Channel 4 com Pure is already building up a passionate fanbase – after just one episode.

Pure tells the story of a young woman called Marnie and her experience of pure O, an excruciating form of obsessive compulsive disorder that manifests itself in intrusive sexual thoughts. It's also really, really funny.

• What is 'Pure O', the form of obsessive compulsive disorder at the centre of Channel 4’s Pure?
• Meet the cast of Pure on Channel 4
• How did Channel 4's Pure shoot those OCD naked scenes?

And if you don't believe us, just take a look at viewers' reactions on Twitter...

Viewers with OCD or intrusive thoughts were tweeting about seeing their experiences captured on screen, with one writing: "Never before has a mainstream TV show captured the horrors of OCD intrusive thoughts so perfectly."

Fans had one big message: if you're not seen Pure yet, "watch it!"

And viewers were also full of praise for newcomer Charly Clive, who stars as Marnie. Could this be a breakout role?

Pure continues on Wednesday 6th February at 10pm on Channel 4, and is available now as a boxset on All4

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