 The Glaston Knights are introduced in episode 21, having just arrived from the mainland, and are instrumental in defeating the Black Knights during their attempted rebellion in the first-season finale.In the second season, Alfred and Bart are killed during an attempted execution of the Black Knights captured during the rebellion; Bart's "Gloucester" is crushed by a G-1 Mobile Base, while Kallen kills Alfred.In the same skirmish, Lelouch uses his Geass on David to stage an attack on Rolo.