It is also the seventieth Red Dwarf episode overall.
A ship from the 23rd century is washed up from the past and the Dwarfers run into a crew where criticism is illegal.
After the crew discover, name and take soil samples from a "Helium-7"-rich moon (Planet Rimmer), Starbug is hit by a time wave, bringing them into contact with a twenty-fourth century ship, the S.S. Enconium. However, there are two problems; the ship is set on a collision course with Planet Rimmer and, upon the ship, all forms of criticism are punishable by life imprisonment or "draining".
- Craig Charles as Dave Lister
- Chris Barrie as Arnold Rimmer
- Danny John-Jules as The Cat
- Robert Llewellyn as Kryten
Rimmer's Inner Critic has a resemblance to the James Bond villain Ernst Stavro Blofeld.
Rimmer's Inner Critic is similar in concept to the Unspeakable One- the manifestation of Rimmer's self-loathing- from "Terrorform", save that the Inner Critic is fundamentally 'meant' to help Rimmer where the Unspeakable One simply reflected Rimmer's loathing of his own incompetence.
The episode received a mixed to negative reception.
The radiation leak that wiped out the crew of Red Dwarf was mentioned multiple times in this episode. ("The End")
When Rimmer was quoting a Space Corps Directive, he told Kryten to shut up, because he knew that he would correct him otherwise. Rimmer quoting a Space Corps Directive that was utterly irrelevant to the situation, then Kryten corrects him was a running gag in Series VI this was sometime after he read the Space Corps Directive Manual in "Quarantine".