The grandsons of Sherlock Holmes and Dr Watson investigate the death of a man by crossbow. Stars Peter Egan. From January 1983. Show more

Rosie's auction of promises at a private school sparks some competitive fund-raising. Stars Prunella Scales. From August 2002. Show more

When he goes in search of Blackbeard's diamond, young John Trenchard is drawn into a dangerous world. Stars Richard Pearce. Show more

Legendary motor racing commentator Murray Walker explores the most democratic of motor sports: lawnmower racing. From 2004. Show more

4 Extra Debut. Bruce Forsyth and Paul Jackson visit the London Palladium which, since Boxing Day 1910, has played host to everyone from George V to Pinky and Perky. Show more

The Antipodean comic shares his favourite funnies, including The Goon Show, Kenny Everett: The Local Radio Years, League of Gentlemen, Flight of the Conchords and Little Britain. Show more

Caterina finds her morality, courage and resourcefulness tested to the limit as she joins the Camorra. Stars Indira Varma.

Writer Colm Toibin inherits 'I Dreamt I Dwelt in Marbled Halls' sung by Joan Sutherland, and passes on Bob Dylan's 'I Threw It All Away'.

The former MP opens up to Dr Anthony Clare about religion, being single and her clash with Michael Howard. From July 1997. Show more

All set for the Long Distance Bass Drum Race, Neddie Seagoon is duped into villainy. Stars Spike Milligan. From November 1956. Show more

The shady lawyer stays in a haunted mansion. The Marx Brothers radio shows recreated. With guest Spike Milligan. From July 1992. Show more

4 Extra Debut. Bruce Forsyth and Paul Jackson visit the London Palladium which, since Boxing Day 1910, has played host to everyone from George V to Pinky and Perky. Show more

When he goes in search of Blackbeard's diamond, young John Trenchard is drawn into a dangerous world. Stars Richard Pearce. Show more

Adventuring comedian Tim FitzHigham recreates an 18th-century bet, attempting to travel 25mph on water. From April 2014. Show more

The Vogons make an unwelcome return, Zaphod holds a seance and Arthur's tea quest paralyses the ship. With Peter Jones. From 1978. Show more

The Man in Black reveals Laura's feelings over a card signed 'One day to death'. Stars Edward de Souza and Maureen O'Brien.

The Antipodean comic shares his favourite funnies, including The Goon Show, Kenny Everett: The Local Radio Years, League of Gentlemen, Flight of the Conchords and Little Britain. Show more

Spoofing the Today programme, and memories of playing a club in Bolton. Songs and sketches from Neil Innes. From January 2003. Show more

Made for 4 Extra. Isy Suttie and Arthur Smith are joined by Joe Lycett on stage at the Machynlleth Comedy Festival.

Michael Feydeau and David Pershore review the curious case of a fallen monk. With Steve Punt and Hugh Dennis. From October 2001. Show more

The country singing sensation and global activist investigates the Spanish concept of 'duende', the mysterious spirit of performance. From December 2006.

Made for 4 Extra. Isy Suttie and Arthur Smith are joined by Nish Kumar on stage at the Machynlleth Comedy Festival.

John Humphrys gives 28 performers 60 seconds each to entertain. With Arthur Smith and Carrie Quinlan. From January 2008. Show more

Made for 4 Extra. Isy Suttie and Arthur Smith present Machynlleth: The Musical.

What will Julian Fox find when he takes his home-based travel show to the towers of London's Canary Wharf? From February 2005.

The Vogons make an unwelcome return, Zaphod holds a seance and Arthur's tea quest paralyses the ship. With Peter Jones. From 1978. Show more

The Man in Black reveals Laura's feelings over a card signed 'One day to death'. Stars Edward de Souza and Maureen O'Brien.

4 Extra Debut. Bruce Forsyth and Paul Jackson visit the London Palladium which, since Boxing Day 1910, has played host to everyone from George V to Pinky and Perky. Show more

Caterina finds her morality, courage and resourcefulness tested to the limit as she joins the Camorra. Stars Indira Varma.

The former MP opens up to Dr Anthony Clare about religion, being single and her clash with Michael Howard. From July 1997. Show more

When he goes in search of Blackbeard's diamond, young John Trenchard is drawn into a dangerous world. Stars Richard Pearce. Show more