There are so many. I love watching the reruns. Definitely will always be one of my favorite shows. I love the episodes where Ross gets into some crazy situation. Like the leather pants, the couch, or the whitening of the teeth. It is so hard to pick a favorite. I do love when they did the "what if" episodes.
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Yesss, I can't chose which is my favorite, either. I love them all. I watch them over and over again anyway, so I don't have to chose =) I have all the seasons, so I watch them all one after the other...Thank you!