I Am The Master (audio story)

 was the tenth story of the eighth season of Big Finish Productions' Short Trips series.

Publisher's summary
There is a message for you. It comes from a long way, from a dying world. No, not a dying world. A killed world. And the message is from the killer.

Please attend carefully. The message that follows is vital to your future...

However much longer that may be.

Plot
to be added

Characters

 * Fourth Doctor
 * Fourth Doctor

Continuity
to be added