| It's Always Sunny in Philadelphia (season 12) | |
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Promotional poster
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| Country of origin | United States |
| No. of episodes | 10 |
| Release | |
| Original network | FXX |
| Original release | January 4 – March 8, 2017 |
| Season chronology | |
The twelfth season of the American comedy television series It's Always Sunny in Philadelphia premiered on FXX on January 4, 2017. The season consists of 10 episodes and concluded on March 8, 2017.
The series was renewed for an eleventh and twelfth season on April 4, 2014, each to consist of 10 episodes. In December 2016, Glenn Howerton revealed the season premiere would be a musical episode.