Lister falls ill after entering a contaminated area of Red Dwarf trying to find Kochanski's hologram disc which Rimmer has hidden. But Red Dwarf has two unwelcome guests on-board, Lister's Confidence and Paranoia.
Did You Know?
and Lee Cornes
, who play Confidence and Paranoia, respectively, originally auditioned for the parts of Lister and Rimmer, respectively. See more
[On Confidence and Paranoia
These two are symptoms of your disease. They're like the spots in measles, the swellings in mumps, the funny walk in cystitis.
References The Wizard of Oz