-- PHOTO MOVED IN ADVANCE AND NOT FOR USE - ONLINE OR IN PRINT - BEFORE SEPT. 2, 2018 -- Actor Danny DeVito in Los Angeles, Aug. 17, 2018. DeVito, a mainstay of the defiantly lewd, boundary crossing comedy “It’s Always Sunny in Philadelphia,” says the show isn’t about to show restraint in the upcoming 13th season. (Elizabeth Weinberg/The New York Times) .