Below are my picks of the most notable shows, returning/premiering on UK screens this week...
Horizon: Living with Autism (BBC2, 9pm) Documentary on the transformation of autism understanding, from a lifetime of study by psychologist Uta Frith.
Killer Magic (BBC3, 10pm) New pilot where five illusionists compete in themes challenges.
Kim Philby: His Most Intimate Betrayal (BBC2, 9pm) Documentary about the life of Societ double agent Kim Philby. Concludes tomorrow. (1/2)
Invasion of the Jobsnatchers (BBC3, 9pm) New documentary series about 11 trainees in the workplace. (1/6)
★ Bates Motel (Universal Channel, 9pm) Season 2 of the US prequel drama to Psycho. Starring Freddie Highmore, Vera Farmiga, Max Thierot & Nestor Carbonell. (1/10)
★ About a Boy (Sky1, 9.30pm) New US sitcom based on the Nick Hornby novel.
Jockey School (Channel 4, 10pm) Documentary looking at how horse jockeys are trained.
Martin Clunes and a Lion Called Muggle (ITV, 9pm) Wildlife special where the actors visits Kenya to meet a man who takes care of orphaned lions.
Flintoff's Road to Nowhere (Sky1, 9pm) Documentary where ex-cricketer Andrew Flintoff travels along Brazil's Trans-Amazonian Highway. (1/2)
★ The Trip to Italy (BBC2, 10pm) Series 2 of the semi-improvised road trip comedy where Steve Coogan & Rob Brydon now find themselves sampling food in Italian restaurants. (1/6)
Da Vinci's Demons (Fox UK, 10pm) Season 2 of the historical fantasy drama about the early life of Leonard Da Vinci. Starring Tom Riley, Laura Haddock, Elliot Cowan & Tom Bateman. (1/10)
The Graham Norton Show (BBC1, 10.35pm) Series 15 of the chat show. Guests are Russell Crowe, Kylie Minogue, Cameron Diaz & Richard Ayoade. (1/13)
★ The Crimson Field (BBC1, 9pm) New period medical drama about doctors and nurses working in WWI France. Starring Oona Chaplin, Liam Loughrey, Alice St Clair, Marianne Oldham, Hermione Norris, Michael Nardone, Simon Wilson, Kerry Fox, Alex Wyndham & Richard Rankin. (1/6)