Stargate Atlantis (2004)

S2E15 The Tower

The team discovers a planet featuring advanced Ancient defense systems, where Colonel Sheppard unwittingly becomes entangled in a power struggle between two royal heirs. As tensions rise, Sheppard must navigate the complex dynamics of their rivalry while uncovering the secrets of the ancient technology. With the fate of the world hanging in the balance, the team must work together to ensure that the conflict does not escalate further, risking both the ancient knowledge and their own lives.