BBC Four HD SkyTV

4/4. Mary tackles the biggest puzzle of all: why, and how, did the Roman Empire fall? [S,AD] [HD]

...The Good, the Bad and the Ugly. 3/4. Art historian Sona Datta creates a television history of Michelangelo. [S] [HD]

7/8. Emperor Commodus steps out of the Imperial Box and onto the sands of the arena. Contains prolonged violence and upsetting scenes. [S] [HD]

8/8. The Roman Empire is in decline, but one man turns to the arena to restore Rome. Contains prolonged violence and upsetting scenes. [S] [HD]

Clive James travels to Rome in search of the dolce vita. During his stay, he meets a socialite prince, Mussolini's son and learns a lesson from a sexologist. [S]

4/4. Robbie Cumming has issues with ice before taking on the famous Foxton lock flight. His destination is Braunston, the spiritual home for narrowboaters. [S] [HD]

Broadcaster and author Selina Scott enjoys a gentle walk around Wharfedale in the Yorkshire Dales. [S,AD,SL] [HD]

...The Good, the Bad and the Ugly. 3/4. Art historian Sona Datta creates a television history of Michelangelo. [S,SL]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

Liz McIvor tells the story of the people who operated the canal boats, carrying fuel and goods around the country. [S] [HD]

Lemn Sissay takes a journey through Cumbria's Dentdale amid snow-capped hills, blue skies and birdsong. Filmed in March 2020 before Covid restrictions were introduced. [S,AD] [HD]

3/6. Fletcher decides that Harris must be put on trial for stealing from another prisoner. Contains language which some may find offensive. [S]

4/6. Jean and Judy pay Lionel a surprise visit at a conference in Norwich, but find him staying with another woman. Meanwhile, Alistair starts to show more interest in Jean. [S]

3/3. Documentary drama series exploring the lives of Henry VIII's wives. Henry annuls his marriage to Anne of Cleves and marries teenager Catherine Howard two weeks later. [S,AD] [HD]

1/4. Corpses and evidence of rituals are found in France and Canada: the investigation begins. Contains some scenes which some viewers may find upsetting. [S] [HD]

2/4. Murder allegations and fraud abound, but the cult defends its secrets. Contains some scenes which some viewers may find upsetting. [S] [HD]

1/4. Accounts of the dominance of the Alamo Christian Foundation over their followers. Contains scenes which some viewers may find disturbing. [S,AD] [HD]

2/4. Tony and Susan Alamo's grip on power is challenged as Susan becomes ill. Contains scenes which some viewers may find disturbing. [S,AD] [HD]

Liz McIvor tells the story of the people who operated the canal boats, carrying fuel and goods around the country. [S] [HD]

3/3. Documentary drama series exploring the lives of Henry VIII's wives. Henry annuls his marriage to Anne of Cleves and marries teenager Catherine Howard two weeks later. [S,AD] [HD]

Lemn Sissay takes a journey through Cumbria's Dentdale amid snow-capped hills, blue skies and birdsong. Filmed in March 2020 before Covid restrictions were introduced. [S,AD,SL] [HD]

3/3. Simon Sebag Montefiore charts Rome's rise from the abandonment and neglect of the 14th century into the everlasting seat of the papacy recognised today. [S,AD,SL]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

Liz McIvor recounts the tales of the men who built the canals - the navigators or navvies - focusing on their work on the Manchester Ship Canal. [S] [HD]

Poet Laureate Simon Armitage takes a walk along Yorkshire's enchanting, historic frontier with the North Sea. Filmed in January 2020 before Covid restrictions were introduced. [S,AD] [HD]

Chris Packham introduces a classic documentary from the BBC's archive, which takes a look at the worst winter of the 20th century in 1963. [S] [HD]

Documentary looking at Gordon Welchman, a codebreaker crucial to the allies defeating the Nazis in World War II. Filmed extensively at Bletchley Park. [S,AD] [HD]

5/7. As Henchard's empire crumbles, Lucetta and Farfrae compound his humiliation. [S]

6/7. Donald Farfrae has taken over as the mayor of Casterbridge. Despite his decline, Henchard returns Lucetta's love letters at her request. [S]

7/7. Lucetta falls victim to a malicious trick. Henchard is reconciled with Elizabeth-Jane, but it may be short-lived. [S]