As NBC's "The Office" and The CW's "90210" end their runs this week, we're thinking back to the classic TV series finales that ended on the perfect note… and those that nearly ruined the whole show for us. Here are the grand finales we're still talking about, good or bad.
The 22 Best and Worst TV Series Finales Ever
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ROSEANNE, 'Into That Good Night' (Season 9, ep. 923-924, aired May 20, 1997)
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