Who killed JFK?

More from History's Greatest Conspiracy Theories All episodes →

1. 

   S2 · E2 · 7 Jul 2025 · 26 min

   Was Elizabeth I a man?

   In her most famous speech, delivered on 9 August 1588, Queen Elizabeth I declared that she had the "heart and stomach of a king". Was that just rhetoric? Or could England’s iconic Tudor queen actually have been a man masquerading as a woman? In this episode of History’s Greatest Conspiracy Theories, Tudor historian Tracy Borman speaks to Rob Attar about the bizarre 'Bisley Boy' conspiracy theory that was popularised by none other than Dracula author Bram Stoker. History’s Greatest Conspiracy Theories is produced by the team behind BBC History Magazine. For more fascinating stories from the…

2. 

   S2 · E1 · 30 Jun 2025 · 36 min

   Was Pearl Harbor an inside job?

   On 7 December 1941, Japan attacked the US naval base at Pearl Harbor. It’s one of the most notorious surprise attacks in history, but how much of a surprise actually was it? Did President Franklin Roosevelt know that the attack was coming and even encourage it as a means of propelling the US into World War Two? In the first episode of season 2 of History’s Greatest Conspiracy Theories, the Pulitzer Prize-winning journalist Steve Twomey joins Rob Attar to tackle the "back door to war" conspiracy theory, explaining why many Americans have been willing to believe in a president's treachery.…

3. 

   S2 · 23 Jun 2025 · 2 min

   Season 2 | Trailer

   Did NASA fake the moon landing? Did the Knights Templar discover America? And was Elizabeth I really a man in disguise? In Season 2 of History's Greatest Conspiracy Theories, Rob Attar is joined by expert historians to explore how these theories came about and whether any of them might actually be true. History’s Greatest Conspiracy Theories is produced by the team behind BBC History Magazine. For more fascinating stories from the past, head to HistoryExtra, the home of ‘History’s Greatest’ podcasts. There you can find other feeds including History’s Greatest Cities and HistoryExtra…

4. 

   S1 · E9 · 11 Feb 2025 · 32 min

   The JFK assassination: Oswald’s second murder

   In light of the recent announcement that President Trump has ordered the release of classified files surrounding JFK’s assassination, we’re bringing you three episodes delving into the case. In this third episode, recorded in April 2024, Rob Attar puts more listeners’ questions about the assassination to author and journalist Gerald Posner. Who did Lyndon Johnson think was behind the murder? Why do so many people believe in a conspiracy theory? And why is Lee Harvey Oswald’s other killing rarely discussed? History’s Greatest Conspiracy Theories is produced by the team behind BBC History…

5. 

   S1 · E8 · 4 Feb 2025 · 43 min

   The JFK assassination: 95% certain?

   In light of the recent announcement that President Trump has ordered the release of classified files surrounding JFK’s assassination, we’re bringing you three episodes delving into the case. In this second episode, recorded in April 2024, Rob Attar rejoins the investigative journalist Gerald Posner to tackle your questions about the assassination and the web of intrigue that surrounds it. History’s Greatest Conspiracy Theories is produced by the team behind BBC History Magazine. For more fascinating stories from the past, head to HistoryExtra, the home of ‘History’s Greatest’ podcasts. There…

6. 

   7 Jan 2025 · 1 min

   Introducing History's Greatest Scandals | New Podcast

   Poisoned sweets. Criminal misdeeds. And a sex scandal involving… the prime-minister. Listen to HistoryExtra's new podcast History’s Greatest Scandals, delving into the murky underworld of The Victorians. Ellie Cawthorne and historian Professor Rosalind Crone take a journey through the backstreets of 19th-century Britain to explore the darker side of Victorian life. Sneaking into private parlours, descending into candlelit mines, frequenting grim workhouses and paying a visit to an unscrupulous confectioner, uncovering some of the biggest scandals of the day – and explore what they can reveal…

7. 

   S1 · E6 · 3 Dec 2024 · 48 min

   Did aliens land at Roswell?

   In July 1947, some unusual debris was discovered at Roswell Army Air Field in New Mexico. Was this the remains of a crashed military balloon, or something from much, much further away? Has the US government spent the past 75 years hiding proof of alien life from us all? In our series on history’s most well-known conspiracy theories, Dr David Clarke gives Rob Attar the lowdown about the Roswell Incident and considers how it relates to the long history of UFO sightings. History’s Greatest Conspiracy Theories is produced by the team behind BBC History Magazine. For more fascinating stories from…

8. 

   S1 · E5 · 26 Nov 2024 · 35 min

   The lost civilisation of Atlantis

   In the fifth episode of our series on history’s most well-known conspiracy theories, we investigate the idea that a highly advanced civilisation existed many thousands of years ago, before being wiped out by a calamitous event. Rob Attar speaks to archaeologist Flint Dibble about the ancient Greek origins of the Atlantis legend and how it has been reimagined in more recent times, including in the Netflix series ‘Ancient Apocalypse’. History’s Greatest Conspiracy Theories is produced by the team behind BBC History Magazine. For more fascinating stories from the past, head to HistoryExtra, the…

9. 

   S1 · E4 · 19 Nov 2024 · 33 min

   Who wrote Shakespeare’s plays?

   Many people don’t believe that William Shakespeare was the real author of the plays attributed to him. But why? And could there be any truth behind the idea? In episode four of our new series on history’s most well-known conspiracy theories, Shakespeare expert Dr Paul Edmondson speaks to Rob Attar about the alternative candidates that have been put forward and considers whether this is a legitimate debate to be having. History’s Greatest Conspiracy Theories is produced by the team behind BBC History Magazine. For more fascinating stories from the past, head to HistoryExtra, the home of…

10. 

    S1 · E3 · 12 Nov 2024 · 29 min

    Did Anastasia escape her family’s murder?

    In the third episode of our series on some of history’s most well-known conspiracy theories, we examine the suggestion that one of Tsar Nicholas II’s daughters – Anastasia – survived the family’s murder by the Bolsheviks in 1918. Speaking with Rob Attar, historian Helen Rappaport explains why people believe that Anastasia escaped and what recent scientific and archaeological research has revealed about this tragic episode. History’s Greatest Conspiracy Theories is produced by the team behind BBC History Magazine. For more fascinating stories from the past, head to HistoryExtra, the home of…