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Classic Doctor Who
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The evidence continues with further playback from the planet of Ravolox where the Doctor enters the Immortal's castle. He is told he must repair their black light power system or face death.

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Classic Doctor Who

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Classic science fiction which may be scary for younger children. Turn on Parental controls

2. The Mysterious Planet (Part 2) - The evidence continues with further playback from the planet of Ravolox where the Doctor enters the Immortal's castle. He is told he must repair their black light power system or face death.

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Series 23