Doctor Who and the Armageddon Factor

The Doctor and Romana find themselves embroiled in a cosmic conflict when they arrive on the planet Atrios, a world on the brink of war with its neighbor, Zeos. Tasked by the White Guardian to locate the final segment of the Key to Time, they uncover a sinister plot that threatens to unleash a devastating power across the universe. As the Armageddon Factor looms, the Doctor must race against time to prevent total annihilation.