The Adventurer is an ITC Entertainment TV adventure series created by Dennis Spooner that ran for one season from 1972 to 1973. It premiered in the UK on 29 September 1972. The show starred Gene Barry as Gene Bradley, a government agent of independent means who poses as a glamorous American movie star.

In 17th-century Japan, two Portuguese Jesuit priests seek their mentor, who is rumoured to have committed apostasy, and to propagate Catholicism.

Count Yorga continues to prey on the local community while living by a nearby orphanage. He also intends to take a new wife, while feeding his bevy of female vampires.