Dick Cavett looks back fondly on his close friendship with Muhammad Ali and remembers that one time the champ slept over. Ali & Cavett: The Tale of the Tapes premieres Feb. 11 at 9pm on HBO. #HBO #HBODocs #AliCavettHBO Subscribe to HBO on YouTube: https://goo.gl/wtFYd7 Don’t have HBO? Order Now: https://itsh.bo/GetHBONow Get More HBO: Get HBO GO: https://play.hbogo.com Like on Facebook: https://www.facebook.com/hbodocs Follow on Twitter: https://twitter.com/HBODocs Like on Instagram: https://www.instagram.com/hbo Official Site: http://www.hbo.com/documentaries Ali & Cavett: The Tale of the Tapes '20 (Sleep Overs) | HBO