The Threshold (audio story)

The Threshold was the third story of Volume 11 of Big Finish Productions' Short Trips series. It was written by Felicia Barker and featured Jon Culshaw as the Third Doctor and.

Publisher's summary
After a collision in the vortex, is trapped in his TARDIS. Luckily, the Doctor has come to save him. Unluckily, the Doctor's TARDIS has vanished. With the ship collapsing around them, can these arch-enemies put their rivalry aside long enough to survive?

Plot
to be added

Cast

 * "The Doctor" / / Logis - Jon Culshaw

Worldbuilding

 * In one possible future, "the Doctor" mentions the Master was rescued by Chancellor Goth.
 * Straxus is working for the Celestial Intervention Agency.
 * Straxus uses a time ram against the Master's TARDIS.

Continuity

 * In one future, the decayed Master is treated in a Zero Room. (TV: Castrovalva)
 * The Master reaches the heart of his TARDIS after Emergency Program One is enacted. (TV: The Parting of the Ways)
 * The Master's TARDIS console makes a four-beep alert. (TV: The Sound of Drums)
 * The Master's TARDIS is almost destroyed in a time ram. (TV: The Time Monster)