Big Brother has been off our screen for two years now but we recently took a trip down memory lane when Davina McCall and Rylan Clark-Neal revisited some of the most iconic episodes in the show’s history to celebrate its 20th anniversary.Big Brother: Best Shows Ever got us reminiscing about the Big Brother golden years when Davina McCall wore THAT 'Big Mutha' top, and most importantly when the sound of Charley Uchea arguing at the top of her lungs filled our living rooms every evening.