Watch Black Blood Brothers Episode 4 “Old Blood” online free in HD on Anime4Soul. This episode first aired on September 29, 2006. It is episode 4 of 12. Use the SUB / DUB switch above the player for English subtitles or the English dub, and the language menu for French and Portuguese.

Previous: Black Blood Brothers Episode 3. Next: Black Blood Brothers Episode 5. See all 12 episodes, characters and voice actors on the Black Blood Brothers page.