He eventually parts ways with them all by the end of the 2008 series finale, "Journey's End", after which he attempts to travel alone for the duration of the 2008–2010 specials before being accompanied by Donna Noble's grandfather Wilfred Mott (Bernard Cribbins) on his final adventure in The End of Time.
Han ender med at skilles med dem alle i slutningen af 2008-sæsonens sidste afsnit, "Journey's End", hvorefter han forsøger at rejse alene i 2008–2010 specials før han igen får en ledsager i form af Donna Nobles bedstefar Wilfred Mott under sit sidste eventyr, The End of Time.