Friends star can’t remember 3 years of filming due to “substance abuse”. London, ON, Canada / Country104 - #1 for Country HITS Matthew Weaver January 25, 2016 06:52 pm A Friends star dropped a bombshell this week, when they mentioned they couldn’t remember filming almost 3 seasons of the show, Seasons 3-6, due to a drug addiction. Know which star it is? Click below to find out! Matthew Perry aka Chandler Bing!