Series 3

Series 3 is an ambiguous term on this wiki, since many things could be considered "the third series" of a particular programme. It may mean:


 * Season 3, the 1965 series of Doctor Who, whose most frequently-appearing companion was Steven Taylor
 * Series 3 (Doctor Who), the 2007 series of Doctor Who, featuring Martha Smith
 * Series 3 (Torchwood), the 2009 series of Torchwood, umbrella titled Children of Earth
 * Series 3 (SJA), the 2009 series of The Sarah Jane Adventures, the first to feature an appearance of the Doctor