Cyberwoman
S01E04 - Airdate: 2006-11-05
Runtime: 50 min
Ianto Jones has been hiding a very big secret at Torchwood - his half-converted girlfriend from the Canary Wharf Battle - down in the basement. He is quick to hire a Japanese doctor who believes he can "cure" her. But things soon go wrong, and the Cyberwoman's destructive powers are released to the whole of Torchwood. Upgrading is compulsory.
Episode details and rating from TVmaze.