TV highlights: Gigi learns more about Johnny's past on 'Sex&Drugs&Rock&Roll'

All times Eastern. Cat investigates the Ellingsworth family, she and Vincent work on their plan to take down Liam and JT tries to find a way to save himself on "Beauty and the Beast" (CW at 8).A father of four from Virginia goes up against expert cooks on "Food Fighters" (NBC at 8).