Quantum of Axos (audio story)

Quantum of Axos was the third and final story in the audio anthology Tenth Doctor Classic Companions, produced by Big Finish Productions. It was written by Roy Gill and featured David Tennant as the Tenth Doctor, John Leeson as K9 Mark II and Sophie Aldred as Ace.

Publisher's summary
Ace investigates a new tech company which seems too good to be true and meets the Doctor and K9 as Axos escapes its trap.

Plot
to be added

Cast

 * The Doctor - David Tennant
 * Ace - Sophie Aldred
 * K9 Mark II / Voice of Axos - John Leeson
 * Aurora - Amaka Okafor
 * Anthony / Ed - Jamie Parker
 * Kayla McGuire - Lucy Goldie

Worldbuilding

 * The Doctor and K-9 briefly mention Sarah Jane Smith when trying to ascertain the identity of the duplicate K9's owner.
 * The Doctor mentions the "time forests" of Gallifrey.
 * Axos wants to achieve complete time field capability.
 * K9 explains he's the "second edition" and intends to seek out K9 Mark IV.

Continuity

 * Ace mentions that she's met a future incarnation of the Doctor, specifically that "the last one I saw was a—" before being interrupted by the Tenth Doctor. (PROSE: At Childhood's End, TV: The Power of the Doctor)
 * K9 and the Doctor punt on the Cam. (TV: Shada)
 * Ace can't remember the Time War due to Irving Braxiatel's intervention (AUDIO: Soldier Obscura)
 * Encountering a young version of Ace, he was reminded that Axos had previously aged Jo Grant. (TV: The Claws of Axos)
 * The duplicate of Ace mentions Gabriel Chase (TV: Ghost Light) and Fenric (TV: The Curse of Fenric, AUDIO: Gods and Monsters)
 * K9 asked Ace to seek out K9 Mark IV. (WC: Farewell, Sarah Jane)