BBC HISTORY’S SECRET HEROES: NELLIE BLY GOES UNDERCOVER, featuring Brooke Kroeger, aired September 9, 2025

A young reporter sets out to be admitted to a notorious New York asylum. He aim is to expose its horrors.

Stories of bold voices, with brave ideas and the courage to stand alone. Historian Alex von Tunzelmann shines a light on remarkable people from across history.

A BBC Studios production.

Producer: Elaina Boateng

Written and presented by Alex von Tunzelmann

Executive Producer: Paul Smith