In the heart-pounding season 3 finale of Babylon 5, "Za'Ha'Dum," the Shadows' terrifying agenda is revealed. Sheridan is shaken to his core by the sudden reappearance of his presumed dead wife, Anna, now manipulated by the Shadows to lure him to their homeworld of Za'Ha'Dum. Distrust and anger surge as Sheridan confronts Delenn about the secrets surrounding Anna's death. Driven by a desperate hope and a desire to confront the darkness, Sheridan makes a fateful decision to journey to Za'Ha'Dum, entrusting Garibaldi with a perilous task that could jeopardize both his life and the entire alliance's fight for survival.