Time's Assassin (audio story)

 was the fifth story in the eighth series of The Fourth Doctor Adventures, produced by Big Finish Productions. It was written by Guy Adams and featured Tom Baker as the Fourth Doctor, Jane Slavin as Ann Kelso and John Leeson as K9 Mark II.

This was the continuation of a story which began in The False Guardian.

Publisher's summary
The true identity of the Director has been revealed and he wants vengeance upon the Doctor for past crimes...

But the Director is not the only danger to the crew of the TARDIS. Deadly experiments are coming to a head, and everyone’s life is at risk.

However, the greatest threat is yet to come. The Syndicate’s plans are in motion... and no one is safe from them.

Part one
to be added

Part two
to be added

Cast

 * The Doctor - Tom Baker
 * Ann Kelso - Jane Slavin
 * K9 - John Leeson
 * Nigel Colloon - John Shrapnel
 * Zephon / Syndicate Agent / Wave Front 3 - Jon Culshaw
 * Brox - Anna Acton
 * Elmore - Blake Ritson
 * Mac Foley / Duke / Wave Front 2 - Roger May
 * Drones / Wave Front 1 - Tracy Wiles

Continuity

 * Zephon tells Elmore of his father's betrayal by the Doctor and how he is an enemy of the Daleks. Elmore believes "Time Destructor" is made up. (TV: The Daleks' Master Plan)
 * Zephon refers to the Sinestrans as one of the lower races affiliated with the Syndicate. (AUDIO: The Sinestran Kill)