<P> 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 . </P>
<P> 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 . </P>
when does season 12 of it 's always sunny start
when does season 12 of it 's always sunny start
January 4 , 2017
January 4 , 2017