Warriors' Gate: Part 1
S18, E17: The Doctor wants to save a race called the Tharils who are being exploited by The Privateers, a superior race who are using them as guinea pigs in an attempt to enter the gateway between E-Space and N-Space.
S18, E17: The Doctor wants to save a race called the Tharils who are being exploited by The Privateers, a superior race who are using them as guinea pigs in an attempt to enter the gateway between E-Space and N-Space.