Series 4 - Episode 8: Silence in the Library

Written By:
Steven Moffat

Original Air Date:

30th May 2008

Synopsis:

One hundred years ago, the universe's greatest library was sealed off, leaving only an enigmatic warning: "Count the shadows". But the shadows are moving again.

The Doctor and Donna must uncover the terrible truth behind the Nodes and the Data Ghosts, to find The Library's secret, and on the way they try to avoid the Vashta Nerada, piranhas of the air, shadows that melt the flesh.

Monster/Villain:
Vashta Nerada

Location:

The Library (51st Century)

Videos:
Mid-Series Trailer


Next Time Trailer