1. When the show was first written, Monica and Joey were meant to be love interests.
2. Chandler and Joey's big white dog was actually Jennifer Aniston's. It was given to her by a friend at the start of the show as a 'good luck' gift.
3. Monica (Courtney Arquette) is actually older then Ross (David Schwimmer) despite playing his younger sister.
4. Ross and Rachel's romance wasn't supposed to be the central romance in the series. Their love story developed due to Jennifer Aniston and David Schwimmer's chemistry.
8. The Friends theme song 'I'll be there for you' by The Rembrandts was co-written by Friends co-creators Marta Kauffman and David Crane.
9. Gunther didn't have a name until the middle of the second season of Friends.
10. In the last episode of Friends, it's mentioned that all six characters have lived in Monica's apartment. They have actually all lived in Joey's too.
I hope you've all enjoyed this post! Let me know if you'd like to see anymore Friends themed posts.
Is there any points I've missed off?