A range of historical and true crime documentaries will be featured on British television this evening, offering insights into pivotal events and social issues.

National Geographic, available via Disney+, launches a six-part series titled *How The Tudors Lost Their Heads* at 8 p.m. Historians Dan Snow and Professor Suzannah Lipscomb explore the circumstances surrounding the executions of prominent Tudor-era figures. The series begins with an account of Mary, Queen of Scots, a Catholic monarch whose death sentence followed her involvement in conspiracies against Queen Elizabeth I. The documentary also highlights the role of male manipulation and abuse in the downfall of key historical personalities.

At the same time on BBC One, *9/11: The Saudi Connection* airs at 8 p.m., examining the involvement of Saudi nationals in the September 11 attacks. The program focuses on Omar al-Bayoumi, a Saudi Arabia national who assisted one of the hijacker cells operating in the United States and was subsequently detained in the United Kingdom but later released. The documentary investigates claims linked to a $1 trillion lawsuit filed by survivors against Saudi Arabia, uncovering evidence that suggests broader involvement by the kingdom in the events leading up to the attacks.

BBC Two will broadcast *Britain’s Forgotten Girls* at 9 p.m., providing firsthand testimonies from young women who were victims of grooming and sexual exploitation. The documentary covers cases such as Christine from Coventry, groomed from age 13, and Annie from London, who was abused at 14 but still pressured to attend school. It exposes long-standing patterns of exploitation by gangs involved in county lines drug trafficking. The program also critiques previous underreporting of these abuses by predominantly white male criminologists.

Also at 9 p.m. on Channel 4, the second series of *999: What Happened Next?* continues, chronicling dramatic emergency call incidents. One case follows a police pursuit in Peterborough targeting a sophisticated gang responsible for stealing luxury four-wheel-drive vehicles. Another story details how a tip-off to British Transport Police about a man allegedly viewing child pornography on a train led to an inquiry into child exploitation.

Sky History presents *102 Minutes Inside the Towers* at 9 p.m., marking the 25th anniversary of the September 11 attacks. The documentary reconstructs the events within the World Trade Center as experienced by survivors and first responders. Featuring new testimonies from those who were inside the towers, it provides a detailed narrative of the fear, resilience, and heroism displayed during the attacks.