Madquake (audio story)

 was the second of two stories comprising the two hundred and sixty-seventh release of Big Finish's monthly range. It was written by Guy Adams and featured Sarah Sutton as Nyssa, Janet Fielding as Tegan Jovanka and George Watkins as Marc.

Publisher's summary
Abandoned on the planet Callanna, Nyssa, Tegan and Marc take advantage of its therapeutic atmosphere to come to terms with recent events; but others seek to take advantage too. The Slitheen are on their way – and they're ready to sell this world to the highest bidder!

Plot
to be added

Cast

 * Nyssa - Sarah Sutton
 * Tegan Jovanka - Janet Fielding
 * Marc - George Watkins
 * Professor Cott - Kate Isitt
 * Mison - Raj Ghatak
 * Bella - Dona Croll
 * Grumma - Harley Viveash
 * Robot soldiers - Jacob Dudman
 * The Doctor - Peter Davison

Continuity

 * Tegan and Nyssa mention their adventure on Deva Loka and Tegan being controlled by the Mara. (TV: Kinda)