Reality TV is definitely not reality, but that’s why I find it so comforting. Nothing in my day-to-day life resembles what I see on reality TV, and I can, without a doubt, turn on the TV to escape my reality.

Jim Carrey and Jeff Daniels are back as the bowl-cut brunette and shaggy blonde characters of Lloyd Christmas and Harry Dunne in the Farrelly brothers’ “Dumb and Dumber To,” released Friday. But...