News headlines broke for series four that Billie Piper would be returning to Doctor Who the first time since Doomsday in 2006. The character appeared briefly in some episodes during the series, then right at the end of the series she started making her full appearance in Turn Left, The Stolen Earth and Journeys End. Click on images to enlarge.

Episode 1 - PARTNERS IN CRIME - Donna asks Rose if she could tell her Mum that's she's thrown the keys of her car in the bin near where the TARDIS departed. Of course Donna didn't know Rose at the time. Episode 10 - MIDNIGHT - Rose appears on the screen of the ship which she seems to be mouthing the word Doctor trying to communicate with him from Parallel World but she didn't have much luck. Episode 11 - TURN LEFT - Donna meets Rose again but this time she reveals who she is. Episode 12 - THE STOLEN EARTH - Rose manages to find a way to the Doctor, but can she do it in time? Episode 13 - JOURNEYS END - The Doctor and Rose finally meet up the first time in two years, since being stranded in Bad Wolf Bay. She has to return to Bad Wolf Bay but Doctor 2 remains with her.