The moral dilemma faced by The Doctor when forced to choose between saving Zaroff's life and ensuring the safety of the universe.

In the flooded tunnels of Atlantis, the Doctor halts their escape to insist on rescuing Zaroff—a morally compromised but vulnerable figure—despite the escalating danger. Ben, prioritizing survival over altruism, forcibly …

The Doctor and Ben navigate a steep, flooding tunnel in Atlantis, their escape route growing increasingly treacherous as water rises around them. The Doctor, focused on the mission, confirms Zaroff …