Blue Forgotten Planet (audio story)

 was the one hundred and twenty-sixth story in Big Finish's monthly range. It was written by Nicholas Briggs and featured Colin Baker as the Sixth Doctor and India Fisher as Charlotte Pollard and Mila.

Released in September 2009, it was the final audio story in Big Finish's monthly Doctor Who range to feature Fisher as Charley until 2021's The End of the Beginning. In chronological order, it was also Charley's last story as a companion.

Publisher's summary
"So, this is the blue planet you've forgotten about. But take another look. You helped us once. I know you can help us again."

On Earth, civilisation has ended and time is running out for the Doctor and Charlotte Pollard.

Will the mysterious Viyrans really help?

''Without you, the human race will die out. And Planet Earth will surely be our tomb.''

Plot
to be added

Cast

 * The Doctor - Colin Baker
 * Charley Pollard - India Fisher
 * The Viyrans - Michael Maloney
 * David McCallister - JJ Feild
 * Ellen Green - Andree Bernard
 * Ed Driscoll - Alec Newman
 * Sergeant James Atherton - Sam Clemens
 * Soldier Clive - Alex Mallinson
 * Mila - Jess Robinson

Crew

 * Cover Art - Alex Mallinson
 * Writer & Director - Nicholas Briggs
 * Executive Producers - Nicholas Briggs and Jason Haigh-Ellery
 * Music and Sound Design - Jamie Robertson
 * Producer - David Richardson
 * Script Editor - Alan Barnes

Worldbuilding
to be added

Continuity

 * Mila replaced Charley as the Doctor's companion. (AUDIO: Patient Zero)
 * Charley tells the Doctor of her first meeting with his eighth incarnation aboard the British airship R101 on 4 October 1930, (AUDIO: Storm Warning) and his apparent death. (AUDIO: The Girl Who Never Was)
 * The virus that the Viyrans attempt to eliminate from Earth is one of the viruses spread through time in the explosion at the Amethyst Viral Containment Station. (AUDIO: Patient Zero)