Hoff ganeuon gwrandawyr Radio Cymru 2015 yn #40 Mawr 2015!
BBC Radio Cymru
James Landale examines why Margaret Thatcher was ousted from power 25 years ago.
BBC Radio 4
Documentaries and features from the archive.
BBC Radio 6 Music
Looking at the lives of women around the world
BBC World Service
Paul Morley on the 7-inch single's grand relative - the 12-inch - and its peak in the 80s.
Hardeep Singh Kohli chooses a word and sees where it leads him
Classic and contemporary original drama and book dramatisations
A look at the year in which Shakespeare wrote King Lear, Macbeth and Anthony and Cleopatra
BBC Radio 4 Extra
Michael Portillo challenges the notion of calm before the storm of the Great War
Francine Stock explores how World War I changed art, words and society.
Historian Margaret MacMillan chronicles the road to war in 1914.
Craig Brown's satirical history of Britain
Queen's Brian May and Roger Taylor look back on the band's defining year.
BBC Radio 2
Another chance to hear it again if you missed out... first time around.
BBC Radio 1Xtra
Comedy sketches recreating the archives of wireless
Astronomer Paul Murdin asks if Jupiter's moon, Europa, might sustain biological life.
As the Mayan prophecy of doom approaches, enjoy this light-hearted guide to the apocalypse
Peter Conrad dissects the popular culture of his era, as Roland Barthes did 60 years ago.
Inside the digital news outlets that are reinventing journalism for the social media age.
Stuart Grundy presents a series looking back on events and music from 1955 to 1979.
Quickfire comedy show featuring 28 acts performing for one minute each
John Henshaw explores the unrelenting success of one of the longest running comedy series.
Jessica Lack explores public art in the UK through a city's attempt to commission new work
Howard Stableford investigates whether advances in 3D printing can benefit nature.
Quiz show hosted by Steve Punt from UK universities
Stand up comics perform at the Comedy Store
Maggie Philbin traces the remarkable history of IT through the BBC sound archives.
Fred MacAulay with the best of 2015's comedy Fringe festival in Edinburgh
Matthew Bannister recalls Johnny Cash's historic 1968 concert at Folsom Prison, California
5 live's breakfast programme with news, sport, weather and money reports
BBC Radio 5 live
Is Britain baby friendly?
Original news and exclusive interviews from across the UK
5 live's drive programme with a round-up of the day's top news and sport
News, reports, commentary and features from the world of Formula 1
The top 40 stories of the week across social media and online
Coverage of international hockey matches
BBC Radio 5 live sports extra
The best of 5 live from the past seven days
Adrian Goldberg presents cutting edge investigative journalism
A round-up of the latest stories
The latest news, updates and commentaries from the NFL
Coverage and commentary on the Olympic Games from the 5 live team
Naked Scientists Chris Smith and Kat Arney with science news stories and analysis
The latest sport and debate including commentaries on the big games and sporting events
Live sport featuring Eng v NZ rugby league, F1 qualifying in Brazil & Saracens v Toulouse.
Brian Sibley tells the story behind Ian Fleming's book, half a century after publication.
Miranda Sawyer and guests explore different ways of looking at music,
The best albums of 2015 as selected by BBC 6 Music.
One artist. One concert. 6 Music delves into the vast BBC music archive.
Three days of live music and conversation, reflecting the spirit of 6 Music.
BBC 6 Music presents live sessions from the BBC's historic Maida Vale studios.
Jarvis Cocker and Mary Anne Hobbs present live from the British Library.
6 Music presents gems from the vast BBC archive including concerts and live sessions.
A series in which artists talk about their favourite music and biggest influences.
A look at the week's new releases.
Chris Hawkins presents back to back music without the chat, plus exclusive BBC sessions.
Have your say on the latest football action
Pulling apart the big stories to see what makes them tick in a review of the week's news
Jenny Hammerton, a DJ of 78s, explores why the old discs are still alive and kicking.
Crazy panel show chaired by comic Sue Perkins