Newgate Prison was a prison located in London.
When the Twelfth Doctor tried to show two pikemen his decoration with the Dunbar victory medal using his psychic paper in 1651, he was told to "Tell it to the Newgate gaoler." (TV: The Woman Who Lived)
In 1703, River Song was placed in Newgate Prison, where she met and befriended Daniel Defoe. (AUDIO: The Eye of the Storm)
Jack Yeovil was imprisoned in Newgate Prison in the 1890s. (AUDIO: The Mahogany Murderers)
In 1900, thieves who broke into Aldridge's surgery would be put to sleep by his toxic bristles and wake up tied to the railings of Newgate Prison without memory of what had happened. The wardens called these "stork babies". (PROSE: A Big Hand for the Doctor)
The Man on the Clapham Omnibus was placed in the Eleven-Day Empire's version of Newgate Prison as a prelude to putting him on trial. (PROSE: A Reasonable Man)