Castlevania: Season 3 Season 3, Ep 0
Trevor and Sypha visit a town; Alucard makes new friends; Isaac goes on a trip; Hector moves in with Carmilla.
Castlevania: Castlevania (Full Season) Season 1, Ep 0
According to IMDB: "A vampire hunter fights to save a besieged city from an army of otherworldly creatures controlled by Dracula." Sam Deats directs, and Warren Ellis scripts, this animated bit of video game ridiculousness.