Doctor Who: The Power of Kroll

The Power of Kroll is the fifth serial of the 16th season of the British science fiction television series Doctor Who, which was first broadcast in four weekly parts on BBC1 from 23 December 1978 to 13 January 1979.

The Fourth Doctor and Romana have arrived on the third moon of Delta Magna, searching for the penultimate segment of the Key to Time. They find themselves caught in the middle of a dispute between the crew of a methane refinery and the natives (known as ‘Swampies’).

The Swampies claim that the crew have disturbed the waters, and will incur the wrath of their god, Kroll. Kroll is revealed to be a giant squid, which surfaces to feed every few centuries and is the source of the abnormally large amount of methane being mined.

Originally a normal size squid, Kroll ingested the fifth segment of the Key to Time and began to grow, becoming a god-like figure to the Swampies and their descendants.

After Kroll awakens and begins to attack both the Swampies and the refinery indiscriminately, the Doctor uses the tracer to retrieve the segment of the Key, which destroys Kroll and instigates cellular regeneration within the creature to produce hundreds of normal-sized squid.

This process not only saves the planet’s inhabitants but removes the source of methane from the refinery. The Doctor and Romana return to the TARDIS and set off on their next adventure.

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To view the list of other Doctor Who serials, please click this link

Doctor Who Episode Guides for Sale on Amazon

Step aboard the TARDIS and journey across the universe with every incarnation of The Doctor in this series of unofficial Doctor Who episode companions.

This collection of twelve books explores every televised adventure of the Time Lord’s lives.

Each volume in the series delves into a different Doctor’s era, offering detailed episode guides, behind-the-scenes insights, character profiles, and story synopses.

Once you have clicked the link, choose which book you want, and then whether you want to buy the Kindle (eBook) or Paperback versions.

Previews are available before you buy.

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