The Tyrant King(1968)

The Tyrant King is a six-part mystery thriller that follows three teenagers on a quest through London to uncover a hidden secret. Their journey weaves through the capital's iconic landmarks, blending drama and danger with an atmospheric contemporary soundtrack featuring Pink Floyd, The Nice, Cream and The Moody Blues. Originally adapted from an adventure story commissioned by London Transport, the series captures the city as both setting and character. Thames Television's inaugural production, shot on 16mm film, was conceived as an experimental venture to test a small-scale production unit within the company—a subsidiary that would eventually evolve into the legendary Euston Films, later responsible for acclaimed dramas like The Sweeney and Minder. The Tyrant King stands as a pivotal moment in British television history, marking the beginning of a production legacy that would define British drama for decades.