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The Fourth Dimension

The Hungry Earth

Elliot says he's dyslexic and the Doctor replies, 'Oh, that's all right. I can't make a decent meringue!' Dyslexia is form of learning disability that impairs a person's ability to read. Despite having normal or above average intelligence, people who have dyslexia typically may have problems with spelling, reading and identifying rhyming sounds. It's estimated that 1 in 10 children have dyslexia and it's widely known that dyslexic people of all ages can learn excellently but often need extra help. Famous dyslexic people include Robbie Williams, Albert Einstein and one of the world's greatest ever sportsmen, Muhammad Ali.

Elliot says he's dyslexic and the Doctor replies, 'Oh, that's all right. I can't make a decent meringue!' Dyslexia is form of learning disability that impairs a person's ability to read. Despite having normal or above average intelligence, people who have dyslexia typically may have problems with spelling, reading and identifying rhyming sounds. It's estimated that 1 in 10 children have dyslexia and it's widely known that dyslexic people of all ages can learn excellently but often need extra help. Famous dyslexic people include Robbie Williams, Albert Einstein and one of the world's greatest ever sportsmen, Muhammad Ali. Find out more about dyslexia.

The story being read to Elliot at the beginning of the episode is The Gruffalo, written by Julia Donaldson. It's a children's book that was adapted for the small screen by the BBC in 2009. You can watch a clip of The Gruffalo or see an interview with its author.

At one point Elliot says, 'When you've eliminated the impossible, whatever remains, however improbable, must be the truth.' He's quoting Sherlock Holmes who originally shared this theory with Doctor Watson in The Sign of Four, written by Arthur Conan Doyle. That's the second novel to feature the Great Detective and Holmes reiterates his belief in several later short stories.

It seems the Doctor is drawn to people called Rose... The name 'Nasreen' is of Persian origin and means 'wild Rose'.

The episode was directed by Ashley Way who directed our brilliant game, Attack of the Graske, in which you get to be the Doctor's companion! You can play the game right now!

This is the second Doctor Who episode written by Chris Chibnall. His first was 42 and he's also scripted episodes of Torchwood and Life on Mars.

The Hungry Earth and the following episode, Cold Blood, formed block 4 of the new series production schedule. The episodes were shot across late October and November 2009 in Upper Boat and Llanwonno, Wales.

The Silurians first appeared in a 1970 adventure called Doctor Who and the Silurians. It was written by Malcolm Hulke, directed by Timothy Combe and featured Jon Pertwee as the Third Doctor. The story is generally held to be one of the show's finest and brilliantly depicted the nuances of the Silurian species, portraying them as a varied race of individuals driven by conflicting aims and ideologies. Some Silurians feared and loathed the humans who now claimed Earth as their own; others, guided by the Doctor, sought peace. Ultimately the Doctor was unable to prevent human forces bombing the Silurians' base, leaving the Time Lord fuming at the unnecessary destruction of life.

The Third Doctor later faced the Silurians' marine cousins, known as the Sea Devils, who forged an alliance with the Master. He had convinced the Sea Devils that mankind was their enemy and although at one point it seemed the Doctor would be able to broker a peaceful solution between the two species, once again the encounter ended in bloodshed.

The Time Lord's next meeting with the Silurians and Sea Devils occurred in the Fifth Doctor story, Warriors of the Deep. The adventure was set in the year 2084 and on this occasion the Silurians appeared more single-minded in their aggression towards mankind. Once again the Doctor attempted to find a peaceful solution and failed. Following the deaths of many Silurians and humans a distraught Doctor was only able to mourn, 'There should have been another way'.