It's been a long time since it was last on our screens – but not so long that diehard fans have forgotten their Buffay from their Bing, or how necessary a left phalange is for a safe flight.
The long-awaited Friends reunion will see Jennifer Aniston, Courteney Cox, Lisa Kudrow, Matt LeBlanc, Matthew Perry and David Schwimmer back together on screen for the first time since they said goodbye.
Ahead of the show, which will be be available on demand on Sky and Now from 8.02am on Thursday, and will be shown on Sky One at 8pm that evening, here's a quiz to test your Friends knowledge.
It's tough, but don't give up. Is that what a dinosaur would do?