8 p.m. on (CW), ‘‘Arrow’’ — The future looks bright for Oliver (Stephen Amell), with his nightclub set to open and sparks flying with McKenna (Janina Gavankar). But wait! His ex, The Huntress (Jessica De Gouw), has returned with cruel intentions. Also back in town is Dinah Lance (Alex Kingston), who tells Laurel and her father (Katie Cassidy, Paul Blackthorne) she has proof that Sara is still alive.
9 p.m. on 6, ‘‘Criminal Minds’’ — Rossi (Joe Mantegna) and his colleagues investigate the deaths of several people who were sharing — possibly oversharing — details of their lives online. Kevin (Nicholas Brendon) fears that Garcia (Kirsten Vangsness) may be interested in someone else.
9 p.m. on (CW), ‘‘Supernatural’’ — Sam and Dean (Jared Padalecki, Jensen Ackles) get a visit from Castiel (Misha Collins), who tells them that Crowley (Mark Sheppard) has unleashed some demons in a small town to search for Lucifer’s crypt. While interrogating one demon, they learn that Meg (Rachel Miner) knows where the crypt is and that Crowley has been torturing her. While Sam and Meg fight off Crowley, Dean and Castiel go in search of the crypt.
9:31 p.m. on 2, 9, ‘‘Suburgatory’’ — Dallas (Cheryl Hines) frets that she’ll never measure up to George’s (Jeremy Sisto) ex after he forgets the birthday gift she gave him, so she drowns her sorrows with Jill Werner (Gillian Vigman) and lots of carbohydrates. Tessa (Jane Levy) fears that her youth is slipping away. Noah (Alan Tudyk) makes a surprising discovery about his psychiatrist (Todd Louiso).
10 p.m. on A&E, ‘‘Duck Dynasty’’ — The company throws a casino night party to celebrate the sale of its 5 millionth duck call, and Si wins the big prize: $2,000. He spends his winnings on a massage chair for the duck call room, which proves detrimental to the work flow. Phil takes Jase and the boys to his secret fishing pond, where they make a surprising discovery.
10 p.m. on FOOD, ‘‘Restaurant Stakeout’’ — In a new episode, Willie and his team attempt to save Luis Concepcion and his Puerto Rican restaurant, Latin Kitchen, from financial ruin after a tragic accident and some fierce competition in the neighborhood push the business to the brink.