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Sometimes, what starts out as a good thing can end up so, so wrong
Sometimes your zeal and dedication to a TV show turns out to be one big disappointment once it all comes to an end. And according to fan fervor over the highly anticipated "Girls" series finale, the HBO show may have already earned that dubious distinction. Here are seven examples from some of television's best shows of all time -- which, sadly, also became famous for their epically bad series finales.