The Undead
After a series of disappearances and a failed police investigation involving ghoul attacks in Cheddar, Integra Hellsing deploys Alucard. He confronts and eliminates the vampire priest responsible, but not before police officer Seras Victoria is mortally wounded. To save her life, Alucard transforms her into a vampire, inducting her into the Hellsing organization.
Aired 11/10/2001EP 1 - The Undead

2001
Hellsing
Hellsing follows the antiheroic vampire, Alucard, and a police girl-turned-vampire, Seras Victoria, two vampires employed by the vampire-extermination group of England, the Hellsing Organization. Slowly but surely, through their active duty, they find a new breed of vampires beginning to arise.
(Source: Anime News Network)