Watch Prism Ark Episode 10 “The Heart of Knights” online free in HD on Anime4Soul. This episode first aired on December 10, 2007. It is episode 10 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: Prism Ark Episode 9. Next: Prism Ark Episode 11. See all 12 episodes, characters and voice actors on the Prism Ark page.