Fullmetal Alchemist Episode 15: The Ishbal Massacre
Episode 15 of 51 of Fullmetal Alchemist, aired January 16, 2004, 25 minutes. Available with English subtitles and dub where released.
Episode summary
As the Strong Arm Alchemist holds off Scar, he realizes that the killer is from Ishbal. Meanwhile, as Ed, Al and Doctor Marcoh make their way through the village, the Doctor recounts the Ishbal Rebellion and how he and the other State Alchemist were ordered to level the entire city using the Red Stones. The events still haunt Marcoh, Mustang, and Armstrong to this day.