Series 4

Series 4 is an ambiguous term on this wiki, since many things could be considered "the fourth series" of a particular programme. It may mean:

TV

 * Season 4, the 1966 series of Doctor Who, which introduced the Second Doctor.
 * Series 4 (Doctor Who), the 2008 series of Doctor Who, which most strongly featured Donna Noble.
 * The fourth series of Doctor Who Confidential, attached to series 4.
 * Series 4 (Torchwood), the 2011 series of Torchwood, umbrella titled  Miracle Day.
 * Series 4 (SJA), the 2010 series of The Sarah Jane Adventures, which sent Luke Smith off to Oxford University.

Audio

 * The fourth series of Big Finish Productions' The New Eighth Doctor Adventures.
 * The fourth series of Big Finish Productions' Fourth Doctor Adventures
 * The fourth series of Big Finish Productions' Bernice Summerfield series.
 * The fourth series of Big Finish Productions' The Companion Chronicles.
 * Dalek Empire IV, the fourth series of Big Finish Productions' Dalek Empire.
 * Gallifrey IV, the fifth series of Big Finish Productions' Gallifrey.
 * The fourth series of Big Finish Productions' Iris Wildthyme.
 * The fourth series of Big Finish Productions' Jago & Litefoot.