Overview: Din Thomas, Matt Serra and UFC President Dana White hit Los Angeles to try their hands at stand-up comedy. Then they chow down at the iconic Randy’s Donuts, visit the set of the television show “Kingdom” and take in a local fight card that’s packed with potential. Special appearances by David Spade, Nick Swardson, Bryan Callen, Adam Hunter, Travis Barker, Laura Prepon, Nate Diaz, The Game and Frank Grillo.