Tidal Wave (audio story)

 was the second story in the audio anthology, Assembled, produced by Big Finish Productions. It was written by Guy Adams and featured Jemma Redgrave as Kate Stewart, Ingrid Oliver as Petronella Osgood and Katy Manning as Jo Jones.

Publisher's summary
When an experimental tidal power generator needs its eco-friendly credentials checked, Kate Stewart calls in an expert.

Soon, Jo Jones is bound for "Project Charybdis" in the South Atlantic, along with an awestruck Osgood.

But out at sea, a treacherous plan is set in motion to awake an ancient race. Beneath the seabed an army is sleeping - an army of Sea Devils!

Plot
to be added

Cast

 * Kate Stewart - Jemma Redgrave
 * Osgood - Ingrid Oliver
 * Jo Jones - Katy Manning
 * Anthony Burmaster - Nicholas Asbury
 * Laura Sale - Alex Tregear
 * Krellix/Sea Devils - Nicholas Briggs

Continuity

 * Jo has recently met the Doctor again, but this time, he was in a younger body. (TV: Death of the Doctor)
 * Osgood mentions Jo's adventure with Ogrons (TV: Day of the Daleks), Omega (TV: The Three Doctors) and the Giant maggots (TV: The Green Death), explicitly musing that three Doctors at once in UNIT HQ must have been a once-in-a-lifetime event (suggesting that this takes place before Osgood's own such experience with the War, Tenth and Eleventh Doctors in the Black Archive) (TV: The Day of the Doctor).
 * Krellix invokes the name of Dagon. (PROSE: All-Consuming Fire)
 * Jo recalls that the Third Doctor's attempt to broker peace with the Sea Devils was ruined by and Walker. (TV: The Sea Devils)
 * Jo mentions sailing down the Yangze in a tea chest. (TV: Death of the Doctor)