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8. Up All Night: Here was another show that should've been better. It's first season was actually pretty good, never great enough to enter the same conversation as Community, 30 Rock or Parks and Rec but never bad enough to take off the DVR. An unnecessary retooling hurt the second season before it was taken off the schedule, with rumors of increasingly torturous and laughable reboots until NBC officially pulled the plug in May 2013.
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6. My Name is Earl: Earl quickly became a parody of itself, but it's second season was a fine follow-up to its first, and a good cast kept the schtick from growing too moldy.
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7. Scrubs: NBC's long-running sitcom lasted for a season-and-a-half under the Comedy Night Done Right banner before getting cancelled and reborn on ABC. The show's heyday was past, and it was too mannered and self-referential at this point, but it was still a funny and well-crafted show.
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5. Andy Barker, P.I.: Wise viewers nationwide were disappointed when NBC cancelled this smart detective sitcom after only six episodes in 2007. With an amazing cast and a keen eye for genre details, this parody accomplished a lot in its short life. It might've been hard to keep that level up over an entire 22 episode season (much less multiple seasons), but it would've been nice if NBC could've embraced the British model and paid for another shortened season or two of this genius show.
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4. The Office: The Office probably peaked with the second season, which partially ran on the Must See TV block. It was the flagship show of Comedy Night Done Right until 2013, and although it gradually grew tired and flat it was still a great show for many of those years.
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3. Community: The first two seasons of Community rank alongside any run in the history of the medium. The only prime time comedy that ripped apart such a wide swath of pop culture as smartly and hilariously as Community was The Simpsons. A slightly weaker third season and a disastrous fourth season without Dan Harmon hurts its overall ranking. Still, it's one of the best sitcoms of the last few decades, and its best episodes aired on NBC's Thursday night schedule.
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2. 30 Rock: 30 Rock's commitment to being a real-life cartoon meant it could often vary in quality from episode to episode, or even within an episode. At its best though few sitcoms have been as hilarious as 30 Rock. Not to make another Simpsons reference right after Community, but 30 Rock packed its episodes so full of jokes, so many of which were great, that it often recalled the rhythm of The Simpsons. Add in one of the strongest casts of any sitcom, and you had an all-time classic.
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1. Parks and Recreation: A lot of what I love about Parks and Recreation apply to the last few shows on this list, too. It had an amazing cast with no weak links and a high percentage of jokes that were legitimately funny. It had a heart and realism that Community and 30 Rock often didn't, though. 30 Rock was very intentionally a cartoon, and Community occasionally let its parodies and meta commentary overrule its usually noticeable commitment to character. Parks and Recreation was the finest show on this block, and perhaps the finest sitcom since Arrested Development, because of its characters, its humanity and its positivity.