Friends has seen a total of 236 episodes air since it began and the series is still one of the most popular. Jennifer Aniston, Courteney Cox, Lisa Kudrow, Matt LeBlanc, Matthew Perry and David Schwimmer provided fans with endless laughs as Rachel Greene, Monica Geller, Phoebe Buffay, Joey Tribbiani, Chandler Bing and Ross Geller. The series ran for a whole decade on NBC and Netflix - but how well do you know Friends?.While we are guilty for having watched every episode at least three times, we wanted to test how much you really know about this TV show.Do you know your season one quotes from your season six one liners? How about when Ross and Rachel went on a break, and Monica and Chandler got together? Now is your chance to test yourself in our ultimate Friends quiz below.So grab a cup of coffee and pretend you are at Central Perk because here is the ultimate fan test, over 600 questions about everything Friends, along with the answers to check your score.