Threemillionyearsago,aradiationleakkilledthecrewoftheminingship,RedDwarf.TheonlysurvivorwasDaveLister,thechickensoupmachinerepairman.HespendshistimeontheshipwithaholographicprojectionofArnoldRimmer(hisdeadbunkmate),Cat(alife-formthatevolvedfromDave'scat),Holly(theship'ssenilecomputer),andKryten(aservicemechanoid).