Friends TV Mistake
Nobody is perfect... not even your favorite '90s sitcoms.

While "Friends" stole our hearts and "Family Guy" had us howling with laughter, between the heartbreak and the side-splitting these classics sitcoms were making a few mistakes. Ever notice the major continuity error in "The Simpsons" opening credits? How about that blown storyline in "Will & Grace"?

In case you missed the mess-ups in your favorite '90s sitcoms, here's a gallery to get you up to speed. As usual, all photos are courtesy of MovieMistakes.com.