Secret History Season 15 Episodes

Episode 1

London's Lost Graveyard - The Crossrail Discovery

Episode 2

Prince Philip - The Plot to Make a King

Documentary telling the inside story of the plans by Louis Mountbatten to manoeuvre his nephew and heir to the Greek throne, Philip, into marrying the future queen Princess Elizabeth and the tensions that that unleashed.

Episode 3

Hunt for the Arctic Ghost Ship

99 mins

Archaeologists set out to find the wrecks of Captain Franklin's infamous North West Passage voyage.

Episode 4

The Other Prince William

47 mins

For the first time on camera Zsuzsi Starkloff tells the story of her forbidden relationship with Prince William of Gloucester, in a film rebuilding the lost legacy of the royal family's forgotten star.

Episode 5

First Humans: The Cave Discovery

Episode 6

Cleopatra's Lost Tomb

49 mins

An insight into the pioneering work of criminal lawyer-turned-archaeologist Dr Kathleen Martinez, who has made it her life's mission to locate the final resting place of Cleopatra, Egypt's last queen. Despite centuries of searching, very little evidence of the location of Cleopatra's tomb has ever been uncovered, but Kathleen's radical new theory on the queen's identity has led her to search where no-one else dared. Her hunch stunned the archaeological establishment as she uncovered a hidden network of tunnels and a vast city of the dead, as well as a 35-metre deep underground hole that bears all the hallmarks of a burial shaft.

Episode 7

China - Treasures of the Jade Empire

The Han emperors led sophisticated, opulent lives. They were buried with stunning treasure in magnificent mausoleums. Now archaeologists are using cutting-edge technology to look inside these tombs.

Episode 8

Sex Change Spitfire Ace

48 mins

In the mid 20th century, Michael Dillon underwent the world's first gender correction from woman to man. With the help of hormones and plastic surgeon Sir Harold Gillies, Michael got a male body and genitals. The two men then helped Michael's great love, rally driver Roberta Cowell, to undergo gender correction from man to woman. A depiction of Michael's and Robert's life, how the changes affected their family relations and the attention they received in the press.