7. 'It's Always Sunny in Philadelphia' season premiere

Paddy's Pub has reopened for Season 7 with a now-voluptuous Rob McElhenney (above), who gained 50 pounds in the name of comedy, apparently. Later in the season, look out for guests Kings of Leon paroding their Ryan Murphy fight in a "Glee"-esque episode. Premieres 10 p.m. Thursday, FX. FX
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