Abbott Elementary” fans, you’ve never seen sweet and innocent school teacher Janine Teagues like this. But on Wednesday’s Season 17 premiere of “It’s Always Sunny in Philadelphia,” Janine — and much of the rest of the show’s cast,

The long-running TV comedy series, “It’s Always Sunny in Philadelphia,” returns Wednesday, July 9 at 9 p.m. ET on FXX.

The characters are in highly unfiltered form on the second part of the Philly sitcom crossover. But some stray farther from their norms.