Ahead of his SNL season finale hosting stint this weekend, Louis C.K. stopped by last night’s Late Night, where he talked with Seth Meyers about the days he was a writer on the show for Conan O’Brien. C.K. also shared a Late Night memory involving a dirty joke he and fellow writer Dino Stamatopoulos got announcer Joel Godard to say on the air. Watch more clips from C.K.’s interview below: