Matthew Perry played in Friends for the entire 10 seasons that it was on air from 1994-2004. We’ll always remember the show until the end of time but unfortunately for Perry, his memory of the show isn’t as good as ours.

Perry, who we knew as “Chandler” for so many years on Friends, admitted to extreme substance abuse during the filming of the show awhile ago, but nobody knew it was quite this bad. During a recent interview on The Chris Evans Breakfast Show via BBC Radio 2, Perry admitted that he has no recollection of filming seasons 3-6 due to his alcohol and drug intake at the time.

Get into the full interview below.

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