The TARDIS lands on an Earth vessel trapped in orbit about the Sense Sphere. The inhabitants are hesitant about discussing the Sensorites who are holding them in place and the Doctor and his companions quickly learn about the xenophobic aliens and their strange world. This is a story that John is of mixed feelings about. There is much to laud in the first half of the story, but the second half lets the story down. Take a listen and find out the good and the bad and where it plays out in the rankings.