my-server
← Wiki Redirected from The Similarity Engine

List of The Worlds of Doctor Who audio plays by Big Finish

This is a list of audio productions based on spin offs from the long-running British science fiction television series Doctor Who produced by Big Finish Productions, released under the title The Worlds of Doctor Who.

Ranges

Call Me Master (2025–present)

On 23 April 2022, Big Finish announced two box sets starring Sacha Dhawan as his incarnation of the Master. Alongside The Fugitive Doctor Adventures, it is the first Big Finish Doctor Who production to be based upon the Chris Chibnall era.

Series 1: Inner Demons

Series 2: Monsters

Class (2018–2023)

Volume 1 (2018)

Volume 2 (2018)

Volume 3 (2020)

Volume 4 (2020)

Secret Diary of a Rhodian Prince (2023)

Counter-Measures (2012–2015)

Continuing the story of several characters from the serial Remembrance of the Daleks (1988), the British government establishes a new organization called Counter-Measures to investigate reports of advanced technology, the supernatural and alien sightings.

Series 1 (2012)

Series 2 (2013)

Series 3 (2014)

Series 4 (2015)

Cyberman (2005–2009)

Series 1 (2005)

Series 2 (2009)

Dalek Empire (2001–2008)

Series 1 (2001)

Series 2 (2003)

Series 3 (2004)

Series 4 (2007–08)

Doom's Day (2023)

The Doom's Day range is a multi-platform story, with further stories set for release by other production companies.

Gallifrey (2004–present)

Series 1 (2004)

Series 2 (2005)

Series 3 (2006)

Series 4 (2011)

Series 5 (2013)

Series 6 (2013)

Series 7 (2015)

Series 8 (2016)

Series 9: Time War – Volume 1 (2018)

Series 10: Time War – Volume 2 (2019)

Series 11: Time War – Volume 3 (2020)

Series 12: Time War – Volume 4 (2021)

Series 13: War Room 1: Allegiance (2022)

Series 14: War Room 2: Manoeuvres (2023)

Echoes Through Eternity (2024)

Series 15: War Room 3

Series 16: War Room 4

Dark Gallifrey (2024–present)

Series 1: Morbius (2024)

Series 2: The War Master (2024)

Series 3: Missy

Series 4: Master!

Series 5: The Meddling Monks

Series 6

Series 7

Series 8

I, Davros (2006–2012)

Series 1 (2006)

Special (2012)

Jago & Litefoot (2010–2021)

Series 1 (2010)

Series 1 comprised 4 episodes and was released in 2010. It featured the return of Sgt Quick (previously PC Quick), who appeared in The Talons of Weng-Chiang, and the character of Lisa Bowerman's Ellie Higson, a barmaid acquaintance of the pair who had previously featured in The Mahogany Murderers. The series's main antagonist was the mysterious Dr. Tulp, who was previously also mentioned in The Mahogany Murderers.

Series 2 (2011)

Series 2 comprised 4 episodes and was released in January 2011. The series' main antagonist was the vampiric Gabriel Sanders (David Collings)

Series 3 (2011)

Series 3 was released in June 2011, and featured the return of Louise Jameson's Leela. The season was described by director Lisa Bowerman as resembling a Victorian version of Sapphire and Steel. The series' main antagonist was the mysterious Professor Payne, whose "time breaks" were wreaking havoc all over the country.

Series 4 (2012)

Series 4 was released in March 2012, and guest starred Louise Jameson as Leela and Colin Baker as "Professor Claudius Dark". Its main villains were Mr Kempston and Mr Hardwick, who were pursuing Dark.

The Voyages of Jago & Litefoot (2012)

Following the fourth series, these two one-off stories depicted Jago and Litefoot taking a couple of trips in the TARDIS with the Sixth Doctor. The stories concluded with the Doctor apparently returning the two to the Red Tavern before departing to investigate a temporal surge that threw the TARDIS off-course, only for Jago and Litefoot to learn after the Doctor's departure that he has actually left them in 1968 rather than their home time.

Series 5 (2013)

Series 5 was released in March 2013. Following Voyage to the New World, it was set in the 1960s. It also featured return of Magnus Greel and Mr Sin, main villain of The Talons of Weng-Chiang, who were resurrected by the series' main antagonist, Guinevere Godiva.

Series 6 (2013)

Series 6 was released in September 2013 and set back in the 1890s. Its primary antagonist was the Colonel, portrayed by Geoffrey Whitehead.

Series 7 (2014)

Series 7 was released in April 2014. It followed Jago and Litefoot's lives as fugitives from the law.

Series 8 (2014)

Series 9 (2015)

It featured Jago & Litefoot's travel on a cruise. An actor Jamie Newall, who played Aubrey in series 5, played another version of Aubrey in series 8.

Series 10 (2015)

Series 10 was released in 2015, and featured Jago & Litefoot back in London after their cruise. The series' main antagonist was the obsessive Carruthers Summerton.

Jago & Litefoot & Strax (2015)

This was a one-off special featuring the revived series character, Strax, the Sontaran. It features the usual cast and Dan Starkey as Strax, reprising his role from the TV series. It follows series 10 and was released in November 2015.

Series 11 (2016)

Big Finish released an eleventh series of Jago & Litefoot in April 2016, featuring Geoffrey Beevers as the Master.

Series 12 (2016)

Big Finish announced that there would be a twelfth series of Jago & Litefoot, it was released in October 2016.

Series 13 (2017)

Big Finish announced that there would be a thirteenth series of Jago & Litefoot, it was released in April 2017.

Special (2018)

Following Baxter's death in July 2017, Big Finish announced the release of a single episode to close the series, using archived recordings of Baxter's performances to round out the story.

Series 14 (2021)

A fourteenth series was announced in the format of audiobooks adapting episodes originally planned before Baxter's death.

Awards and nominations

The Lives of Captain Jack (2017–2020)

Volume 1 (2017)

Volume 2 (2019)

Volume 3 (2020)

Missy (2019–present)

Series 1 (2019)

Series 2 (2020)

Series 3: Missy and the Monk (2021)

Series 4: Bad Influence (2024)

The Paternoster Gang (2019–present)

Heritage 1 (2019)

Heritage 2 (2019)

Heritage 3 (2020)

Heritage 4 (2020)

Trespassers 1: Rogues Gallery (2023)

Trespassers 2: The Casebook of Paternoster Row (2024)

Trespassers 3: No Place Like Home (2024)

Trespassers 4: Last Stand (2025)

Planet Krynoid

River Song (2015–present)

The Diary of River Song

Series 1 (2015)
Series 2 (2016)
Series 3 (2018)
Series 4 (2018)
Series 5 (2019)
Series 6 (2019)
Series 7 (2020)
Series 8 (2021)
Series 9: New Recruit (2021)
Series 10: Two Rivers and a Firewall (2022)
Series 11: Friend of the Family (2023)
Series 12: The Orphan Quartet (2023)

The Death and Life of River Song

Series 1: Last Words (2024)
Series 2: Ace and Tegan (2025)
Series 3: The Dissolution of Time

The Robots (2019–2023)

Series 1 (2019)

Series 2 (2020)

Series 3 (2020)

Series 4 (2021)

Series 5 (2022)

Series 6 (2023)

Rose Tyler: The Dimension Cannon (2019–present)

Volume 1 (2019)

Volume 2: Other Worlds (2022)

Volume 3: Trapped (2023)

Sarah Jane Smith (2002–2006)

Series 1 (2002)

Series 2 (2006)

Susan's War (2020–present)

Series 1 (2020)

Series 2: Family Ties (2024)

Series 3: Grandfather Time

UNIT (2004–present)

Series 1 (2004–05)

Special (2012)

Brave New World (2022)

<section end="bravenewworld" />

UNIT: The New Series (2015–present)

Series 1: Extinction (2015)

Series 2: Shutdown (2016)

Series 3: Silenced (2016)

Series 4: Assembled (2017)

Series 5: Encounters (2017)

Series 6: Cyber-Reality (2018)

Series 7: Revisitations (2018)

Series 8: Incursions (2019)

Nemesis 1: Between Two Worlds (2021)

Nemesis 2: Agents of the Vulpreen (2022)

Nemesis 3: Objective – Earth (2022)

Nemesis 4: Masters of Time (2023)

The War Master (2017–present)

Series 1: Only the Good (2017)

Series 2: The Master of Callous (2018)

Series 3: Rage of the Time Lords (2019)

Series 4: Anti-Genesis (2019)

Series 5: Hearts of Darkness (2020)

Series 6: Killing Time (2021)

Series 7: Self-Defence (2022)

Series 8: Escape from Reality (2022)

Series 9: Solitary Confinement (2023)

Series 10: Rogue Encounters (2023)

Series 11: Future Phantoms (2024)

Series 12: His Greatest Trick

Series 13: Deeds Without Name

Awards and nominations

Zygon Century (forthcoming)

Infiltration

Special releases

The Churchill Years (2016–2018)

The Churchill Years was released from January 2016 through February 2018. It sees the return of Ian McNeice as Winston Churchill from the Eleventh Doctor era.

Volume 1 (2016)

Volume 2 (2018)

Donna Noble: Kidnapped! (2020)

The Eighth of March (2019–present)

Series 1 (2019)

Series 2: Protectors of Time (2022)

Series 3: Strange Chemistry (2023)

Jenny - The Doctor's Daughter (2018–present)

Series 1 (2018)

Series 2: Still Running (2021)

Series 3: Saving Time (2024)

Lady Christina (2018–2021)

Series 1 (2018)

Series 2 (2021)

The Lone Centurion (2021–2022)

Volume 1 (2021)

Volume 2: Camelot (2022)

Master! (2021–present)

Series 1 (2021)

Series 2: Nemesis Express (2022)

Series 3: Planet Doom (2024)

Masterful (2021)

Rani Takes on the World (2023–present)

Volume 1: Beyond Bannerman Road (2023)

Volume 2: The Revenge of Wormwood (2023)

Tales from New Earth (2018)

The Worlds of Doctor Who (2014)

The Year of Martha Jones (2021)

Other ranges

These ranges are related to Doctor Who, but are listed separately from The Worlds of Doctor Who.

Bernice Summerfield (1998–2018)

Season 1 (1998–2000)

Season 2 (2000–2001)

Season 3 (2002–2003)

Season 4 (2003–2004)

Season 5 (2004–2005)

Season 6 (2005–2006)

Season 7 (2006)

Season 8 (2007–2008)

Season 9 (2008)

Season 10 (2009)

Season 11 (2010)

Boxset 1: Epoch (2011)

Boxset 2: Road Trip (2012)

Boxset 3: Legion (2012)

Boxset 4: New Frontiers (2013)

Boxset 5: Missing Persons (2013)

Boxset 6: The Story So Far (2018)

Specials (1998–2012)

Charlotte Pollard (2014–2017)

Series 1 (2014)

<section begin="series1" />

<section end="series1" />

Series 2 (2017)

<section begin="series2" />

<section end="series2" />

Graceless (2010–2017)

Series 1 (2010)

Series 2 (2012)

Series 3 (2013)

Series 4 (2017)

Iris Wildthyme (2005–2015)

Series 1 (2005)

Series 2 (2009)

Special (2009)

Series 3 (2012)

Series 4 (2013)

Wildthyme Reloaded (2015)

Torchwood (2015–present)

Monthly Range

2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025

Special releases

Specials (2016–18)
The Sins of Captain John (2020)

Torchwood One

Series 1: Before the Fall (2017)
Series 2: Machines (2018)
Series 3: Latter Days (2019)
Series 4: Nightmares (2022)
Series 5: I Hate Mondays (2024)

The Story Continues

Series 1: Aliens Among Us (2017–18)
Series 2: God Among Us (2018–19)
Series 3: Among Us (2023)

The Sins of Captain John (2020)

Torchwood Soho

Series 1: Parasite (2020)
Series 2: Ashenden (2021)
Series 3: The Unbegotten (2022)
Series 4: Ascension (2024)

Vienna (2013–2018)

Pilot (2013)

Series 1 (2014)

Series 2 (2015)

Series 3 (2016)

Series 4: Retribution (2017)

The Worlds of Big Finish (2015)

The Worlds of Big Finish was a crossover of several of Big Finish Production's ranges, some related to Doctor Who and some not.

See also

Notes

References

External links