The British Gunner and the Irish Civil War

Mike Thomson returns with the investigative history series, starting in Dublin in 1922.

• 28 mins

GCHQ: Keeping the Last Great Secret

Mike Thomson discovers how close Britain's greatest cold war secret was to being exposed.

• 28 mins

The BBC and the Hungarian Holocaust

Mike Thomson investigates the role of the BBC Hungarian Service in World War II.

• 28 mins

MI6 and the Media

Jeremy Duns examines links between MI6 and the British media during the Cold War.

• 28 mins

11/03/2013

Did the 1916 Dublin Rising catch the cabinet by surprise? Author Nick Rankin investigates.

• 28 mins

Votes for Victorian Women

Sarah Richardson discovers a document which shows that women in Lichfield voted in 1843.

• 28 mins

10/09/2013

Mike Thomson examines documents revealing British brutality in Kenya in the 1950s.

• 28 mins

17/09/2013

Mike Thomson explores a document pointing at American treachery prior to Pearl Harbour.

• 28 mins

The Hyderabad Massacre

Using new documents, Mike Thomson investigates a largely forgotten massacre in India.

• 28 mins

The Palme Assassination

Gordon Corera travels to Stockholm to investigate the assassination of a prime minister.

• 28 mins

The Saur Death List of Afghanistan

David Loyn investigates how a lost record is helping Afghanistan address its painful past.

• 28 mins

The Hague Warning

Heather Jones explores a lost intelligence report warning of Germany's invasion of Poland.

• 28 mins

14/07/2015

Sanchia Berg rediscovers the lost trail of the MI5 spy who was left out in the cold.

• 28 mins

The Strange Voyage of the Blonde Angel

Dominic Streatfeild investigates the case of Argentine POW Alfredo Astiz in 1982.

• 28 mins

The Crypto Agreement

Gordon Corera reveals evidence of a secret deal between a code-machine company and the NSA

• 28 mins

The Albania Operation

For Radio 4's Cold War season, Gordon Corera examines CIA attempts to subvert Albania.

• 28 mins

Knowing Jurgen Kuczynski

Anne McElvoy explores the documents telling the story of the emigre agent Jurgen Kuczynski

• 28 mins

Fu Bingchang's Diaries

The diaries of Fu Bingchang, Chinese Ambassador to the Soviet Union as the Cold War began.

• 28 mins

MI6's Secret Slush Fund

Gordon Corera investigates a secret fund belonging to the MI6 chief in the 1950s.

• 28 mins

Scotland's Lord Haw Haw

Jo Fox discovers the transcripts of a Nazi secret radio station broadcasting to Scotland.

• 28 mins

The Gibraltar Diary of Squadron Leader Mallory

A document in French leads Nick Rankin to the exploits of an SOE operative in Gibraltar.

• 28 mins