The Guardian of the Solar System is a Big Finish Productions

Big Finish Productions

Big Finish Productions is a British company that produces books and audio plays based, primarily, on cult British science fiction properties...

 audiobook based on the long-running British

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 science fiction

Science fiction

Science fiction is a genre of fiction dealing with imaginary but more or less plausible content such as future settings, futuristic science and technology, space travel, aliens, and paranormal abilities...

 television series Doctor Who

Doctor Who

Doctor Who is a British science fiction television programme produced by the BBC. The programme depicts the adventures of a time-travelling humanoid alien known as the Doctor who explores the universe in a sentient time machine called the TARDIS that flies through time and space, whose exterior...

.

The Companion Chronicles "talking books" are each narrated by one of the Doctor's companions and feature a second, guest-star voice along with music and sound effects.

Plot

The First Doctor

First Doctor

The First Doctor is the initial incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by the actor William Hartnell from 1963 to 1966. Hartnell reprised the role in the tenth anniversary story The Three Doctors in 1973 - albeit in a...

, Steven

Steven Taylor (Doctor Who)

Steven Taylor is a fictional character played by Peter Purves in the long-running British science fiction television series Doctor Who. A space pilot from Earth in the future, he was a companion of the First Doctor and a regular in the programme from 1965 to 1966.-Character history:Steven first...

 and Sara Kingdom find themselves inside a giant clock, the great secret of The Guardians of the Solar System.

Continuity

• This play is a sequel to Home Truths
  Home Truths (Doctor Who audio)
  Home Truths is a Big Finish Productions audiobook based on the long-running British science fiction television series Doctor Who.The Companion Chronicles "talking books" are each narrated by one of the Doctor's companions and feature a second, guest-star voice along with music and sound effects.-...
  
   and The Drowned World
  The Drowned World (Doctor Who audio)
  The Drowned World is a Big Finish Productions audiobook based on the long-running British science fiction television series Doctor Who....
  
  .
• The flashback stories occur in the opposite order of the framing stories.
• Sara mentioned seeing an old man caught in the workings of a giant clock in Home Truths.
• Mavic Chen was the Guardian of the Solar System, in league with the Daleks, in The Daleks' Master Plan
  The Daleks' Master Plan
  The Daleks' Master Plan is a serial in the British science fiction television series Doctor Who. The twelve episodes were aired from 13 November 1965 to 29 January 1966...
  
  .
• Mavic Chen mentions Sara's earlier encounter with the Daleks alongside a robot named Mark 7, as heard in the audio lost story The Destroyers.

External links

• The Guardian of the Solar System