And the NBA regular season gets under way as the Utah Jazz host the Oklahoma City Thunder (7 p.m., ROOT).Elsewhere on TV ...World Series (5:30 p.m., Fox/Ch. 13): This could come to an end tonight if Boston wins Game 6.The Middle (7 p.m., ABC/Ch. 4): Sue and her friends hold a Halloween séance.Revolution (7 p.m., NBC/Ch. 5): Monroe's true allegiance is questioned.Arrow (7 p.m., CW/Ch. 30): Oliver learns that a man is transporting illegal guns.Back In the Game (7:30 p.m., ABC/Ch. 4): Danny takes the team trick-or-treating.Modern Family (8 p.m., ABC/Ch. 4): Mitch and Cameron throw a Halloween costume party.NOVA (8 p.m., PBS/Ch. 7): How cold science and technology can save the lives of trauma patients, cool the planet and be used for quantum computers.The Tomorrow People (8 p.m., CW/Ch. 30): Ultra's most-wanted killer returns.It's Always Sunny in Philadelphia (8 p.m., FXX): The guys screen their rough movie footage for investors.Super Fun Night (8:30 p.m., ABC/Ch. 4): Kimmie learns a few things about Kendall.CSI (9 p.m., CBS/Ch. 2): Nashville (9 p.m., ABC/Ch. 4): Rayna sets the record straight during an interview with Robin Roberts.Ironside (9 p.m., NBC/Ch. 5): A rooftop chase results in the discovery of body parts in a garbage bag.Top Chef (11 p.m., Bravo): The chefs cater a Halloween party for Lea Michele ("Glee").South Park (11 p.m., Comedy Central): Kyle and Ike start to grow apart.American Horror Story: Coven (11 p.m., FX): The Council of Witchcraft pays a surprise visit to the academy.Key & Peele (11:30 p.m., Comedy Central): The bright side of being tortured; a house full of sexy vampires.