Fans of the hit TV series, ‘Friends’ easily remember the opening scene with the cast dancing in a water fountain…

Now we’re getting a little more insight about the grueling shoot that lasted for so many hours! Lisa Kudrow recently sat down and talked with Conan O’Brien about the famous ‘Friends‘ opener and why they were laughing so hard. Seems that they had shot the opener hundreds of times and some of the cast…Matthew Perry, especially, were over it! Take a listen as Lisa explains what it was that Perry said: (she starts her story at the 5:15 mark below)