When presented with a mysterious object Henderson can't help but try to return it to its rightful owners despite York's warnings that it's a classic hero trap. The three senior officers find themselves on a forest moon suddenly surrounded by the Queppu ready for revenge. After narrowly avoiding destruction last year they have acquired new technology and are ready to strike back by putting Henderson, York and Teal into a reality TV gladiatorial contest.

• Kevin Cecil
• Andy Riley

• Montserrat Lombard
• Paterson Joseph
• Miranda Hart