- 'Planet of the Dead' (4.15) is the title of the Easter 2009 special and will be filmed in an exotic location. (DWM/BBC)

- David Tennant is quitting as the Doctor after completing 4 more specials in 2009. (NTA 2008)

- The Doctor will have a different companion in every special. (DWM)

- 'The Next Doctor' is the title of the 2008 Christmas special (4.14). It features cybermen, cybershades and a cyber king.(DWM)

- Episode 12 is entitled 'The Stolen Earth'. (BBC)

- Episode 8 is entitled 'Silence in the Library'. (DW magazine)

- Episode 10 is called 'Midnight'. (DWA magazine)

- In episode 10 the Doctor and Donna land on an alien planet, an intergalatic spa. (TV Times)

- Besides the reappearance of the Ood, one episode will feature giant wasps (probably episode 7 from the title). (Daily Star)

- Donna faces being sacrificed by woman in the Pompeii before Mount Vesuvius errupts. (Daily Star)

- The Doctor and Donna share a kiss. (Daily Star)

- Episode 7 of Series 4 is entitled: The Unicorn and the Wasp. (DWMagazine, issue 391)

- David claims that he has not filmed a scene with Billie and we will understand why when the episode airs. (BBC Newsround)

- Episode 1 is entitled: 'Partners in Crime' and Episode 4, which is part 1 of 2 is named 'The Sontaran Strategem'. (BBC)

- Billie Piper has been confirmed by the BBC that she will reprise her role as Rose for three episodes. (BBC)

- The Doctor meets an old group of enemies - the Sontarans. (BBC)

- Sarah Lancashire is starring as a new villian in the first episode of the new series of Doctor Who. Her character will be Miss Foster a powerful and enigmatic business woman. (Sky Showbiz, October 2007)

- The Doctor and Donna will arrive on the eve of the historic eruption of Mount Vesuvius in the city of Pompeii in AD 79 in Rome. (Channel 4, September 2007)

- The Agatha Christie episode has a title, but we were only given the the acronym at DWM. Here it is, 'TUATW'. (DWM, September 2007)

- One episode of Series 4 will be filmed in Rome. (DWM, September 2007)

- When Catherine Tate and David Tennant recorded the 'Chain Reaction' Radio 4 show in March they both knew she was to be the new assistant. Catherine states in DWM that it was their little secret. (DWM, September 2007)

- Catherine Tate thinks the Ood are sweet. (DWM, September 2007)

- A quote from DWM from 'Planet Of The Ood' was released:

"If you don't do what she says," the Doctor barks at some men with guns, "you're really in trouble. Not from me, from her!" (DWM, September 2007)

- One episode is called 'Planet of The Ood'. (BBC, August 2007)

- The Doctor and Donna meet legendary murder mystery novelist, Agatha Christie. (BBC, August 2007)

- Filming for series 4 has started, August 2007. (DWM, August 2007)

- Catherine Tate was announced as the new assistant to the Doctor on Wednesday 4th July. (BBC, July 2007)