Below are my picks of the most notable new shows, returning or premiering on UK screens over the next 7 days...
The Celts: Blood, Iron & Sacrifice (BBC2, 9pm) Documentary series about the Celts, from their origins in the Alps to the moment they came into contact with the Romans. Presented by Neil Oliver & Alice Roberts. (1/3)
Is Britain Racist? (BBC3, 9pm) Factual special where Jewish, Muslim and black reporters perform various social experiments to determine how they're treated by the general public.
★ The Leftovers (Sky Atlantic, 10pm) Season 2 of the U.S mystery drama about the social and cultural repercussions of a world where 2% of the population mysteriously vanished one day. Starring Justin Theroux, Christopher Eccleston, Margaret Qualley, Carrie Coon & Ann Dowd. (1/10)
Lewis (ITV, 9pm) Series 9 of of the detective drama. Starring Kevin Whately, Laurence Fox, Clare Holman, Steve Toussaint, Angela Griffin & Emma Cunniffe. (1/6)
We Want Our Country Back (BBC3, 9pm) Documentary about political party Britain First, which opposes Islam in the UK.
Tricked (ITV2, 9pm) Series 3 of the illusion hidden camera show. Hosted by Ben Hanlin. (1/6)
★ Empire (E4, 9pm) Season 2 of the U.S drama about a rich musician and his business. Starring Terrence Howard, Taraji P. Henson, Bryshere Y. Gray & Grace Gealey. (1/18)
Born in the Wrong Body (Channel 4, 10pm) Documentary about young transgender people in the UK. (1/3)
CSI Cyber (Channel 5, 10pm) New U.S crime drama spin-off. Starring Patricia Arquette, James Van Der Beek, Peter MacNicol, Shad Moss, Charley Koontz & Hayley Kiyoko. (1/13)
Glitchy (ITV2, 10pm) New hidden camera prank show. Featuring Ryan Sampson. (1/6)
Close to the Edge (BBC4, 10pm) New scripted documentary about a group of men in Bournemouth who are living life to the full over the age of 65. (1/7)
Battle Creek (Universal Channel, 10pm) New U.S cop comedy-drama about a mismatched detective and FBI agent. Starring Dean Winters & Josh Duhamel. (1/13)
Chewing Gum (E4, 10pm) New comedy about a religious, Beyonce-obsessed 24-year-old. Starring Michaela Coel, John Macmillan, Robert Lonsdale, Kadiff Kirwan & Maggie Steed. (1/6)
Together (BBC3, 10.30pm) New sitcom about two people in their twenties beginning a relationship. Starring Jonny Sweet, Cara Theobold, Alex MacQueen, Vicki Pepperdine & Katy Wix. (1/6)
The Job Lot (ITV2, 10.30pm) Series 3 of the sitcom about the employees of a job centre. Starring Sarah Hadland, Russell Tovey, Laura Aikman, Angela Curran & Jo Enright. (1/6)
★ Unforgotten (ITV, 9pm) New crime drama about two detectives tackling a cold case from 40 years ago. Starring Nicola Walker, Sanjeev Bhaskar, Tom Courtenay, Trevor Eve, Bernard Hill, Ruth Sheen & Gemma Jones. (1/6)
Disappearing Britain (More4, 9pm) New series celebrating British history, culture and tradition. Presented by Larry Lamb & Maureen Lipman. (1/6)
At Home with Step & Dom (Channel 4, 9pm) New chat show hosted by the wealthy couple from Gogglebox, where they entertain various celebs at their B&B.
★ Homeland (Channel 4, 9pm) Season 5 of the action thriller. Starring Claire Danes, Mandy Patinkin, Rupert Friend & F. Murray Abraham. (1/12)