After bucking an order, Kryten meets his match while investigating a distress call from Camille -- a female version of himself.

While investigating an abandoned alien vessel adrift in space, the crew discovers a device that can change organic life by altering an object's DNA.

Kryten's attempts to restore Holly's IQ to genius level inadvertently cause the Red Dwarf to shut down its support systems.

After Rimmer comes face-to-face with his alter ego, the craven hologram decides he can't stand the sight of his counterpart.

When a matter transporter sends the crew to a theme park populated by wax androids that have overridden their programming, they get ensnared in a war.