Mistakes
In the episode featuring Will (guest star Brad Pitt), the gang confront Ross over his affair with a fifty-year old librarian when he was younger. If you watch the mirror behind him (in one of the girls' rooms), it changes angles every time the camera cuts between Ross and the rest of the gang. See more...
Trivia
The first day Courtney Cox donned the 'Fat Monica' make-up and costume, Matthew Perry walked right past her without recognizing who she was. See more...
Movie Mistakes blog
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Other great sites
Friends (1994) - 4 easter eggs
starring Courteney Cox, David Schwimmer, Jennifer Aniston, Lisa Kudrow, Matt LeBlanc, Matthew Perry (add more)
Easter eggs are hidden bits on DVDs which if you know where to look can provide all sorts of fun extras.
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