Hellsing

Season 1, Episode 7: Duel

Select Source

More than half of the members of the Royal Order of Religious Knights were massacred due to the last attack on them that was conducted by the Valentine Brothers. Sir Integra Hellsing, Arucard, and Seras must now hunt down the perpetrators. The suspects include the Vatican's Iscariot Organization. Arucard must do battle once again with the notorious Alexander Anderson.