S12, E17: The Doctor, Sarah and Harry return to Nerva, but at an earlier point in time. The crew are dying from a space plague but the Doctor suspects a survivor may be responsible.
Starring Jeremy Wilkin, Ronald Leigh-Hunt, William Marlowe
S12, E17: The Doctor, Sarah and Harry return to Nerva, but at an earlier point in time. The crew are dying from a space plague but the Doctor suspects a survivor may be responsible.