Jennifer Aniston was replaced on Friends and nobody noticed - until now

After countless reruns and countless duvet-day marathons, we’ve all noticed

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They replaced Rachel - yes, you read that right.

The unusual ‘mistake’ was spotted by a blogger at RecentlyHeard.com during their recent Netflix inspired power hour.

Let's take it back to Season 9, episode 15, titled “The One with Mugging”.

Jennifer Aniston was replaced with a stand-in while her character Rachel was still in shot.

Some might say that his is common in the television world, but what we don’t understand is why she wasn’t wearing the same outfit?

Since then superfans have noticed that this isn’t the first time they have spotted doubles.

Take season 8, episode 5, "The One with Rachel's Date" for example:

Who are you, and what have you done with Monica?

Is it just us or is everything suddenly a lie?