friends fã spots one moment Rachel Green wasn't played por Jennifer Aniston 

By using this site you consent to our use of cookies in accordance with our cookie policy.

This website uses cookies. Learn more.

Charlie Higson says no more Fast Show

Ben Haenow and Fleur East bring Bopheads to X...

Doctor Who\'s next companion should \'mix things up\'

X Factor: Song choices revealed for \'Movies Week\' X Factor: Song choices revealed for \'Movies Week\'

Doctor Who series 9: 10 teasers for \'Sleep No More\' Doctor Who series 9: 10 teasers for \'Sleep No More\'

6 secrets about the I\'m a Celebrity camp 6 secrets about the I\'m a Celebrity camp

Friends fan spots random Rachel Green recast Friends fan spots random Rachel Green recast

Ben Haenow and Fleur East bring Bopheads to X Factor Ben Haenow and Fleur East bring Bopheads to X Factor

Downton confirms Matt Barber return for Christmas Downton confirms Matt Barber return for Christmas

Children in Need: Everything you need to know Children in Need: Everything you need to know

Melvin\'s X Factor column: \'Last week was a wake-up call\' Melvin\'s X Factor column: \'Last week was a wake-up...

fan has made a shocking discovery - there was a moment where Rachel wasn\'t played by Jennifer Aniston.

The random recasting occurred in season 9 episode 15, \'The One with the Mugging\', where a stand-in is spotted for a couple of seconds.

The woman doesn\'t look at all like the actress and is wearing a completely different top as she stands grinning behind Joey.

So how has no-one noticed it before? Now it\'s been pointed out, it\'s really, really obvious...

You can\'t fool a #Friends fanatic. Why is this not-Rachel standing in for Rachel in this ep? https://t.co/7U8K9VAhl4 pic.twitter.com/drO44q9qax

​Well, don\'t be too stunned - there is a fairly simple explanation. The moment comes from the HD remastered version of the episode, which has a 16:9 aspect ratio - wider than the 4:3 format it was originally edited to be broadcast in.

Downton confirms Matt Barber return for Christmas

In other words, none of us would have been able to see the Anti-Rachel when the show went out on TV, as the sides of the screen would have been cut off, and it\'s only in its polished, widescreen format that the stand-in reveals herself.

It\'s not the first time it\'s happened on a HD remaster of a classic show. Indeed, it isn\'t even the first time it\'s happened on 

​, as fake Monica will have you know:

Friends season 8. Episode 5. Monica turns into a stranger ... Wtf pic.twitter.com/J2i5TluzZa

— Sarah Lepa (@SarahLepa) October 26, 2015

Which begs the question - how many other times did this happen on the New York sitcom? And if that\'s not an excuse to binge-watch the entire series all over again, we don\'t know what is...

Downton Abbey confirms Matt Barber and Peter Egan return for the Christmas special

Ben Haenow and Fleur East bring Bopheads to X Factor

The 2014 stars offer new takes on their new songs.

Atticus Aldridge will be back alongside Lady Rose. By

Even without Wogan, there\'s loads going on. By

Melvin\'s X Factor column: \'Last week was a wake-up call\'