Production Notes

First aired on 31st May 2008 at 7:02pm. The episode is 42'55" long. There were more than 6.3m viewers.
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First aired on 7th June 2008 at 7:00pm. The episode is 45'15" long. There were more than 7.8m viewers.
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Quotes
"What's the Vashta-Nerada? ”
Donna Noble
“It's what's in the dark. It's what's always in the dark.”
The Doctor