 Starbug cannot catch up as the "Centauri" is much faster, travelling at warp speed.On board the "Centauri", the defect which caused Kryten to blow up his head is fixed.There Kryten meets another mechanoid named Able who is a servant to the Simulant and who, it turns out, is from the same batch as Kryten (a 4000 series) and carries the same serial number.