D.Gray-man was an anime series that ran from 2006 to 2016. In total 116 episodes of D.Gray-man were aired. With a total of 25 reported filler episodes, D.Gray-man has a moderate filler percentage of 22%. The Millennium Earl seeks to destroy all humanity using his army of akuma. A boy named Allen Walker uses an ancient substance called Innocence and the help of an organization of other Exorcists to fight against the Millennium Earl.