The Lone Ranger recruits a chameleon named Rango to track down Butch because Tonto is too annoying.; The Daleks force the Tenth and Eighth Doctors to face their greatest challenge yet: competing in improv games against Wayne Brady. ;Other Sketches: MADvent Calendar, I Arrested This Briefcase, the Invisibility Shop, What If They Had Cell Phones?: Movie Edition, Boomerang Bouquet, Deadliest Catchy Tune, Spy vs. Spy, and Quilty as Charged (thetvdb.com)