Tonight’s television highlights include a Channel 4 documentary examining the case of Rhianan Rudd, who was charged with terror offences at 15 after online neo-Nazi grooming. Other choices span art dealing, social history, dating, film-making and supernatural drama.

– The Schoolgirl Terrorist? (10pm, Channel 4) explores Rudd’s vulnerability, mental health and the handling of her case.
– The Big Deal With Steph McGovern (8pm, BBC Two) follows amateur art dealers selling graduates’ work.
– A House Through Time (9pm, BBC Two) investigates the history of an Edinburgh townhouse.
– Better Date Than Never (9pm, BBC Three) returns with people seeking relationships.
– The Coen Brothers Story (9pm, BBC Four) revisits interviews with Joel and Ethan Coen.
– Possession (9pm, Sky Atlantic) continues its Jamaica-set supernatural thriller.
– Netflix film A Child of My Own examines a secret adoption arrangement in Mexico.