| Director | Keith Barnfather |
|---|
A human, a Sontaran, and a Draconian trapped together in a prison cell. Another alien has trapped them there to find out about their strengths and weaknesses. The alien wants them to fight against each other. However, the Sontaran, Draconian and human work together and the alien is killed by the human. The Sontaran, Draconian and human return to the place where they have been before they were kidnapped.