Kaitlin talks about Jimmy being back on air, her husband Rob making things up for the kids like dating Kim Kardashian, Rob changing his last name from McElhenney to Mac, their children appearing in 'It's Always Sunny in Philadelphia,' filming a make out scene for 'High Potential' on ABC, how the Sunny fans differ from 'High Potential' fans, and doing an Always Sunny/Golden Bachelor crossover episode with Danny DeVito. Watch 'Jimmy Kimmel Live!' WEEKNIGHTS 11:35/10:35c on ABC. Stream on Hulu.