The top-cop series starring 2010 Emmy winner Kyra Sedgwick continues its five-episode cycle of new winter episodes. (The arc's final show airs on Jan. 3.) Courtney B. Vance guest stars tonight as Chief of Police Tommy Delk, who assigns Brenda and her team to smoke out the criminal element behind a series of thefts at medical-marijuana dispensaries. What appears to be an innocuous and even ho-hum assignment turns dramatically treacherous when one robbery leads to murder. Soon, the case even comes to test Brenda's readiness to climb to a higher departmental rank. — Dean Maurer
Read on for previews of Vampire Diaries, Moguls & Movie Stars: A History of Hollywood, How I Met Your Mother, Monday Night Football, Hawaii Five-0 and Mariah Carey: Merry Christmas to You.