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Classic Who S23 • Serial 1 · (4 episodes)

The Mysterious Planet

3.36/ 5 259 votes

First aired Saturday, September 6, 1986
Production Code 7A
Written by Robert Holmes
Directed by Nicholas Mallett
Runtime 100 minutes
Time Travel Future
Story Arc: (Potential Spoilers!) Trial of a Time Lord
Synopsis

The Doctor is summoned before the High Council of Time Lords to stand trial for the charges of harmful interference to the course of events during his space-time excursions, which have threatened the sanctity of the universe. Indignant at these accusations, the Doctor pleads his case to the Inquisitor with the hope that she will see him as a source of hope and goodwill for existence. However, his prosecuting attorney, a sinister Time Lord known simply as the Valeyard, begins a crusade against the Doctor's life with the motive of painting him out to be a villainous renegade.

The Valeyard's first movement against the Doctor is to review his past interactions on a familiar planet called Ravolox, where he and his-then companion Peri Brown met the morally grey Sabalom Glitz and a tyrannical robot stalking the world's desolated landscape. However, Ravolox holds a terrible truth in the far reaches of its ruins, while the Doctor's trial has its own fair share of startling twists and turns...

4 Episodes:

First aired Saturday, September 6, 1986
Runtime 25 minutes
Written by Robert Holmes
Directed by Nicholas Mallett
UK Viewers 4.9 million
Appreciation Index 72

Synopsis

The Doctor is taken "out of time" by the Time Lords and made to face an inquiry into his meddling in the affairs of others, overseen by the Inquisitor. The prosecutor, the Valeyard, soon has the proceedings upgraded to a trial for the Doctor's life. Evidence takes the form of recordings of the Doctor's recent adventures, beginning with his visit to the mysterious world of Ravalox and an encounter with Andromedan space pirates...

First aired Saturday, September 13, 1986
Runtime 25 minutes
Written by Robert Holmes
Directed by Nicholas Mallett
UK Viewers 4.9 million
Appreciation Index 69

Synopsis

The Doctor has an appointment with the Immortal, while Peri finds herself caught up with Glitz and the Tribe of the Free. Meanwhile, Merdeen begins to question all he believes.

First aired Saturday, September 20, 1986
Runtime 25 minutes
Written by Robert Holmes
Directed by Nicholas Mallett
UK Viewers 3.9 million
Appreciation Index 70

Synopsis

The Doctor escapes to rejoin Peri on the surface but shortly becomes the prisoner of a surface-dwelling tribe called The Free. Ravalox isn't Ravalox after all, but before the Doctor can learn much more an irresistible agent from UK Habitat comes to fetch him back.

First aired Saturday, September 27, 1986
Runtime 25 minutes
Written by Robert Holmes
Directed by Nicholas Mallett
UK Viewers 3.7 million
Appreciation Index 72

Synopsis

All those on Ravolox are in exponentially greater peril than anyone can comprehend. If anything in the entire universe is to survive, it may come down to the Doctor arguing against machine logic over the value of life.

Ratings are from TARDIS Guide members only.

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