Robert Bathurst

An idealistic mason, Tom Builder, sets out on a quest of erecting a glorious cathedral bathed in light, but that light threatens to illuminate the dark secrets of ambitious Bishop Waleran Bigod and the battling progeny of King Henry.

Ruth Jones takes on the role of the larger-than-life Carry On actress Hattie Jacques, revealing how her home life was blown apart by a secret sexual liaison with her handsome young driver while she was married to Dad's Army star John Le Mesurier.

At the tense 1938 Munich Conference, former friends who now work for opposing governments become reluctant spies racing to expose a Nazi secret.

In a near future city where drugs are decriminalized, a cop investigating a murder learns that mass legalization can be deadly. Co-stars Jonathan Pryce (Game of Thrones).

How Dave Allen become one of TV's greats, with just a whiskey, a cigarette and nine-and-a-half fingers.