Aine Maloney, a fan of the TV show, got in touch with Her after she noticed a continuity mistake in season 1, episode 1 of F.R.I.E.N.D.S. It appears as if Phoebe Buffay is in two places at once due to this error.
In the scene, Phoebe is seen talking to Rachel while also simultaneously sipping tea behind Monica's date, Paul.
See for yourself:
The error has spawned a massive discussion on Reddit, with many joking that it's actually Phoebe's twin Ursula sitting behind Paul.
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