Russell T. Davies Era (2005-2010)contains seasons 1-4 of the revived series, plus the two seasons of Torchwood, Torchwood: Children of Earth, and early seasons of The Sarah Jane Adventures
Steven Moffat Era (2010-2017)contains seasons 5-10 of the revived series, plus Torchwood: Miracle Day, Class, and the final episodes of The Sarah Jane Adventures