The Day of the Troll (audio story)

The Day of the Troll was an exclusive-to-audio adventure from BBC Audio. It was read by David Tennant.

Publishers summary
The story follows the Doctor as he arrives on Earth in the far future. He is horrified to find the planet beset by famine and starvation, and England is a barren wasteland. Scientists are desperately seeding the ground to make the crops grow again, but now it seems that something even worse is happening...

Karl Baring, the owner of research facility The Grange, has been snatched away in the middle of the night. His sister Katy was with him when he vanished, but is now in catatonic shock — so it's up to the Doctor, with the help of the scientists at the Grange, to investigate. What is lurking under the old bridge, and why is it preying on people? The Doctor must find out, before it strikes again...

Plot
to be added

Cast

 * Tenth Doctor

Continuity

 * The Doctor refers to the Krynoids. (TV: The Seeds of Doom)