Transmat:Torchwood
Miracle Day was the umbrella title four series four of Torchwood. It consisted of ten episodes, each part of an ongoing storyline surrounding humanity's gained immortality. This season marked a major departure from past Doctor Who-franchise productions, as it was a co-production of BBC Wales and the American cable network Starz, and was filmed in both Wales and Hollywood.
Categorisation of our Torchwood material is done in two categories, because Torchwood is both the name of the series and the name of the central organisation within the series. If you're looking for information about the Torchwood Institute, go to Torchwood. If you want behind-the-scenes information, the top-level category is category:Torchwood (TV series).