The Sorcerer of Albion (audio story)

 was the third audio story in the anthology Donna Noble: Kidnapped!.

Publisher's summary
Trying to get home, Donna and Nat end up in the right place at the wrong time – the Middle Ages!

A monastery is under siege from the Burning Knights, and the great Sorcerer Parval calls on the assistance of another great mage. He has summoned Merlin herself – or as Nat knows her, Donna Noble!

Plot
to be added

Cast

 * Donna Noble - Catherine Tate
 * Natalie Morrison - Niky Wardley
 * Parval - David Schofield
 * Vivien - Lydia West
 * Garrison - Sebastian Armesto

Continuity

 * Natalie finds a manual for the Doctor's TARDIS which he dropped in a antique clothes store during the Third Crusade. (TV: The Crusade)