FX boss: It's Always Sunny in Philadelphia team will decide whether to continue through Seasons 15 and 16

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It's Always Sunny will already tie ABC’s The Adventures of Ozzie and Harriet as the longest-running live-action comedy series with Season 14. As for additional seasons, FX Networks Chairman John Landgraf says: "It’s completely up to them. We will absolutely make more seasons of Sunny if the gang chooses to make more seasons of Sunny."