|publisher = ''MetalInjection ''|first = Greg|last = Kennelty|date=2013-10-21|accessdate = 2013-12-07}}</ref> Китариста Джим Руут пропуска турнето на [[Stone Sour]] от януари (по-късно става ясно, че е уволнен) за да пише материал за албума.<ref>{{cite web|url = http://www.metalinjection.net/upcoming-releases/slipknot-so-serious-about-writing-new-music-that-guitarist-jim-root-is-sitting-out-the-next-stone-sour-tour|title = SLIPKNOT So Serious About Writing New Music That Guitarist Jim Root Is Sitting Out The Next STONE SOUR Tour|publisher =MetalInjection|first = Robert|last = Pasbani|date = 2013-12-04|accessdate = 2013-12-07}}</ref>
През юли 2014 г. започват да излизат тийзъри за новия албум, а в социалните мрежи криптирани съобщения и изображения.<ref name="Album 5 Teasers">{{cite web|last1=Childers|first1=Chad|title=Slipknot reveal fifth new album teaser trailer|url=http://loudwire.com/slipknot-fifth-teaser/|website=Loudwire.com|publisher=Loudwire|accessdate=3 август 2014-08-03}}</ref><ref name="Album 5 cryptic messages">{{cite web|last1=Hartmann|first1=Graham|title=Slipknot Continue to Tease New Album With Cryptic Written Message|url=http://loudwire.com/slipknot-continue-tease-new-album-cryptic-text-message/|website=Loudwire.com|publisher=Loudwire|accessdate=3 август 2014-08-03}}</ref> Първият сингъл "The Negative One" излиза на 1 август<ref name="The Negative One release">{{cite web|last1=Grow|first1=Kory|title=Slipknot Stream 'The Negative One,' Their First New Song in Six Years|url=http://www.rollingstone.com/music/news/slipknot-stream-the-negative-one-their-first-new-song-in-six-years-20140801|website=Rollingstone.com|publisher=RollingStone|accessdate=3 август 2014-08-03}}</ref>, а на 24-ти и "The Devil In I".<ref>{{cite web|url = http://www.blabbermouth.net/news/slipknot-to-film-video-for-new-single-the-devil-in-i/|title = SLIPKNOT To Film Video For New Single 'The Devil In I'|publisher=Blabbermouth|date=5 август 2014|accessdate=8 август 2014-08-08}}</ref><ref>{{cite web|url = https://itunes.apple.com/us/album/.5-gray-chapter-special-edition/id911121206/|title = ''.5: The Gray Chapter''|publisher=iTunes|date=24 август 2014|accessdate=2014-08-24 август 2014}}</ref> На 17 октомври 2014 г. излиза чаканият шест години [[.5: The Gray Chapter]].<ref>{{cite web|url = http://www.amazon.co.uk/5-Gray-Chapter-Slipknot/dp/B00N0T2MC2/ref=sr_1_2?s=music&ie=UTF8&qid=1412184866&sr=1-2&keywords=.5+the+gray+chapter|title = .5 The Gray Chapter |publisher=Amazon|date=24 октомври 2014|accessdate=8 август 2014-08-08}}</ref>
