torchwood is a british science fiction television programme. it is about a secret organisation protecting the earth from aliens. it has been shown on tv channels in britain including bbc one, bbc two, and bbc three. it can be viewed on netflix and is sometimes shown on american tv channels including starz . the show is a spin off of the british television series "doctor who". it follows the cardiff, wales section of a secret group called the torchwood institute. the torchwood institute examines things that aliens cause to happen on earth. they also collect alien equipment to use.