Paradoxicide (audio story)

Paradoxide was a 2011 Big Finish full-cast audio short story featuring the Sixth Doctor and Peri.

Publisher's summary
On the legendary lost planet of Sendos, the Doctor and Peri find themselves caught up in the hunt for the cache of galaxy-busting super-weapons stored in its fabled Armoury.

Cast

 * Sixth Doctor - Colin Baker
 * Peri Brown - Nicola Bryant
 * Inquisa - Raquel Cassidy
 * Centuria/Ship - Joan Walker
 * Barond - James George
 * Volsci - Laura Molyneux/Rosanna Miles

Continuity

 * The Doctor mentions the Dark Tower in the Death Zone on Gallifrey (DW: The Five Doctors), the city on Exxilon (DW: Death to the Daleks) and the Cybertombs on Telos (DW: The Tomb of the Cybermen).
 * The Doctor compares Sendos to the Mary Celeste. (DW: The Chase)