Watch Black Butler: Book of Circus Episode 9 “His Butler, Serene” online free in HD on Anime4Soul. This episode first aired on September 5, 2014. It is episode 9 of 10. 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 Butler: Book of Circus Episode 8. Next: Black Butler: Book of Circus Episode 10. See all 10 episodes, characters and voice actors on the Black Butler: Book of Circus page.