Rimmer and Kryten are trapped on a Earth where everything is Backwards.

Lister and Rimmer crash land on a iccy planet, the supplys are low there is no food and no heat, they will have to wait for rescue.

The crew encounter the Polymorph, a genetically engineered space mutant.

Lister and Rimmer trade bodies to help Lister lose weight

Kryten discovers some mutated developing fluid, which prints photographs the crew can walk into.

Kryten discovers his expiration date is almost up and he has less than twenty-four hours to live.