 However, as with the more recent appearances of such footage in "Doctor Who", the channel is simply captioned on screen as 'News 24' devoid of the BBC logo.Since this episode was produced, the BBC News 24 channel was rebranded in real life as BBC News.Donna's mispronunciation of Sontaran stems from the original production of "The Time Warrior", the first "Doctor Who" serial to feature the Sontarans.