The Song of Megaptera (audio story)

 was the seventh story in the first series of The Lost Stories, produced by Big Finish Productions. It was adapted by Pat Mills, from his original script, and featured Colin Baker as the Sixth Doctor and Nicola Bryant as Peri Brown.

Publisher's summary
Deep space in the distant future, and Captain Greeg and his crew are hunting mile-long Space Whales on a vast harvesting ship. By pure accident, they also capture the TARDIS.

The Doctor and Peri must use all their wits to survive. But what is the creature running loose in the ship's bowels? And can the Doctor save Megaptera before its song is extinguished forever?

Part one
to be added

Part two
to be added

Part three
to be added

Part four
to be added

Cast

 * The Doctor - Colin Baker
 * Peri Brown - Nicola Bryant
 * Captain Greeg - John Benfield
 * Manus / Stennar - Neville Watchurst
 * The Caller / Ship's Computer - John Banks
 * Chief Engineer / Chanel - Susan Brown
 * Stafel / 1st Security Guard - Toby Longworth
 * Axel / 2nd Security Guard - Alex Lowe

Worldbuilding

 * The Doctor says that he graduated from the University of Gallifrey.
 * Sontaran weapons are used.
 * Peri has a younger cousin called Pete.
 * The Doctor refers to the dimensional adjudicator, the dimensional walls, and the temporal motors of the TARDIS.

Continuity

 * The Doctor has two hearts (TV: Spearhead from Space, et al.)
 * In her delirium, Peri accuses the Doctor of being an imposter. The Doctor reminds her that he has regenerated since they first met. (TV: Planet of Fire, The Caves of Androzani)
 * Peri mentions Daleks. (TV: Revelation of the Daleks)
 * A space whale would appear later in TV: The Beast Below.
 * The Doctor claims that the TARDIS wanted to leave Gallifrey as much as he did. The TARDIS herself will later confirm this in TV: The Doctor's Wife.