BBC Four HD SkyTV

Programmes start at 7.00pm. [HD]

22/37. Two more teams of students return for a second-round match, with three places in the quarter-finals still up for grabs. Jeremy Paxman asks the questions. [S] [HD]

7/8. Quiz in which connections must be made between seemingly random elements sees the battle for third place in the series. [S]

9/10. Comedy of social manners. Hyacinth wants her neighbours to see the arrival of her new suite, boasting that it's an exact replica of one at Sandringham House. [S]

10/10. Sitcom about an irrepressible snob. Hyacinth's plan to take Daddy on a picnic backfires when he takes the car, leaving the rest of the family stranded. [S]

3/4. How the liberal politics and free-market economics of the British Empire unravelled, leading to the potato famine in Ireland and mutiny in India. [S,AD]

5/8. Muhammad Ali returns from exile to face his greatest rival, Joe Frazier. Contains scenes which some viewers may find upsetting. [S,AD] [HD]

6/8. Ali battles to complete his comeback after his conviction is overturned. Contains scenes which some viewers may find upsetting. [S,AD] [HD]

7/8. Muhammad Ali shocks the world by defeating George Foreman, winning back the heavyweight title and becoming the most famous man on earth. [S,AD] [HD]

8/8. After Muhammad Ali retires from boxing in 1981, he travels the world spreading his Islamic faith and becomes a symbol of peace. Contains some strong language. [S,AD] [HD]

The team uncover a danger that humanity is only just waking up to - space weather. They meet the dedicated people working to keep us safe from the very worst that the sun can throw at us. [S] [HD]

7/8. Quiz in which connections must be made between seemingly random elements sees the battle for third place in the series. [S]

4/4. Art historian Rose Balston creates a television history of John Constable. [S,SL] [HD]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

23/37. In the penultimate match of the second round, two more teams of students face off for a place in the quarter-finals. Jeremy Paxman asks the questions. [S] [HD]

8/8. Quiz in which connections must be made between seemingly random elements. The Cambridge Quiz Society play the Rugby Boys in the final. [S]

1/5. Since the first star lit up the universe, they have been engines of creation. Professor Brian Cox reveals how, ultimately, stars brought life and meaning to the universe. [S,AD] [HD]

...Nazis: A Warning from History. Laurence Rees looks back on the 1997 documentary series The Nazis: A Warning from History. [S] [HD]

1/6. Documentary series examining how Hitler came to power. By January 1933, Germany had voted for a chancellor who was openly opposed to democracy. [S]

Ken Loach reflects on The Old Oak, his deeply moving portrait of solidarity, displacement and community in a former mining village in County Durham. [S] [HD]

A pub landlord in a previously thriving mining community struggles to hold on to his pub. Contains very strong language and some upsetting scenes. [2023] [S] [HD]