Return to Telos (audio story)

 was the eighth and final story in the fourth series of the Fourth Doctor Adventures, produced by Big Finish Productions. It was written by Nicholas Briggs and featured Tom Baker as the Fourth Doctor, Louise Jameson as Leela, John Leeson as K9 and Frazer Hines as Jamie McCrimmon.

Publisher's summary
The Doctor reveals to Leela that they're heading for the planet Telos. And K9 has new masters...

On Telos, in the past, the Second Doctor and Jamie are exploring the 'tomb of the Cybermen'.

Meanwhile, the Cyber-Controller and Cyber-Planner consolidate their plans. Spare parts from Krelos are being used to construct a mighty Cyber army. The Doctor must be captured.

Out of control, the TARDIS tumbles down a chasm and the Doctor and Leela find themselves caught up in full-scale planetary invasion.

Part one
to be added

Part two
to be added

Cast

 * The Doctor - Tom Baker
 * Leela - Louise Jameson
 * K9 - John Leeson
 * Jamie / The Second Doctor - Frazer Hines
 * Geralk - Michael Cochrane
 * Peter Haydon - Bernard Holley
 * Relly - Veronica Roberts
 * The Cybermen - Nicholas Briggs

Continuity

 * The Doctor and Leela visit Telos at the time of his original visit with Jamie and Victoria Waterfield during his second incarnation in the 25th century. (TV: The Tomb of the Cybermen)
 * Jamie refers to his previous encounter with the Cybermen on the Moon in 2070. (TV: The Moonbase)
 * The Second Doctor refers to Eric Klieg while Peter Haydon refers to Professor Parry. (TV: The Tomb of the Cybermen)
 * Leela recalls the Doctor telling her that Jamie was a warrior. (AUDIO: The Fate of Krelos)
 * The Doctor and Leela return to Krelos. (AUDIO: The Fate of Krelos)
 * The Doctor refers to the TARDIS swimming pool. (TV: The Invasion of Time, Journey to the Centre of the TARDIS; AUDIO: White Ghosts)
 * The Doctor mentions the particulate vacuum cleaner. (AUDIO: The Fate of Krelos)
 * The Second Doctor says, "Oh, my giddy aunt!" (TV: The Krotons, The Three Doctors, The Two Doctors)
 * Cyber particles, called cyber-pollen, would later be used to convert dead bodies. (TV: Death in Heaven)