Some recent YouTube uploads with Early Modern focus:
Anna Keay, assistant curator at the Tower of London, discusses the arrival of Elizabeth I at the Tower in 1554, suspected of treason against Mary.
Also uploaded (in 4 parts) is is David Starkey on Oliver Cromwell and the Civil War, from his history of the British monarchy
Ghosts of the English Civil War relates spooky encounters on the site of the Battle of Marston Moor in 1644.
Dylan Winter tells the story of "possibly our greatest naval humiliation": the Dutch raid on the Medway in 1667.