BBC Three HD Saturday

An interview with the American actor, famed for his roles his Stranger Things and Black Widow. Here he talks to Ali Plumb about playing petrolhead Jack Salter in Gran Turismo

Jill Douglas presents further coverage of day four of the annual event, held this year at Ballerup Super Arena in Denmark

Jeremy Clarkson, Richard Hammond and James May drive a Mercedes-Benz SLS AMG, a Porsche 911 GT3 RS and a Ferrari 458 Italia along America's east coast in the 2010 Christmas special

Gaz and Janet's mutual attraction resurfaces while Donna is away at a job interview in London, and Louise attempts to become her own birthing partner when she goes into labour

Janet and Gaz reveal their illicit relationship to a furious Donna, who has a secret of her own. Meanwhile, Munch tries to help Louise

Janet twists Gaz's arm into having a night in when he suggests his former girlfriend could babysit Corinthian, yet the mood turns sour and Gaz makes a big decision

The actor has always loved the stories of King Arthur, especially about his buried treasure. Metal detector in hand, he embarks on an Arthurian investigation

Sian Eleri's investigation into the reported haunting of Penyffordd Farm continues as multiple witnesses claim to see a hooded figure. Could they all have imagined the same thing?

Sian Eleri meets an exorcist to learn what removing a spirit from a house would entail and interviews the daughters of the house owners

Character-driven sketches written by and starring Freya Parker and Celeste Dring, with James Acaster, Kiell Smith-Bynoe, Jason Forbes, Sunil Patel and Rajiv Karia

Award-winning comedian Laura Smyth hosts the southern heat from the Rivoli Ballrooms in south London where Lara Ricote, Holly Walsh and Babatunde Aleshe judge

Gaz and Janet's mutual attraction resurfaces while Donna is away at a job interview in London, and Louise attempts to become her own birthing partner when she goes into labour

Janet and Gaz reveal their illicit relationship to a furious Donna, who has a secret of her own. Meanwhile, Munch tries to help Louise

Janet twists Gaz's arm into having a night in when he suggests his former girlfriend could babysit Corinthian, yet the mood turns sour and Gaz makes a big decision

Janet is unsure about Donna's new boyfriend, while Louise struggles with her duties as a mum and receives much-needed advice from Tim