Undercover Boss Country music’s Darius Rucker goes undercover to run an open-mic night and work as a roadie in Austin, Texas, in a special celebrity edition of this reality series. 8 p.m. CBS
The Originals Matt Davis makes a guest appearance as Alaric, his character from the recently ended series “The Vampire Diaries,” on a new episode of this supernatural drama. 8 p.m. KTLA
Ginormous Food Host Josh Denny samples super-sized menu items in Charleston, S.C., in this new episode. 8 p.m. Food Network
RuPaul’s Drag Race The drag queens do a comedy roast of host RuPaul in front of a live...