Sisters of the Flame
|Sisters of the Flame|
|Big Finish Productions audio play|
|Release number||New EDAs 2.7|
|Executive producer(s)||Nicholas Briggs|
|Set between||The Zygon Who Fell to Earth and Vengeance of Morbius|
|Length||1 60-minute episode|
|Release date||July 2008|
This is the first of a two-part story, the second part being Vengeance of Morbius.
After arriving in the hold of a spaceship, the Doctor is kidnapped by aliens resembling giant centipedes. Lucie is accused of being a stowaway, and confronts her prejudices when Rosto, another giant centipede, is assigned to investigate her case.
- The Doctor — Paul McGann
- Lucie Miller — Sheridan Smith
- Zarodnix — Kenneth Colley
- Rosto — Alexander Siddig
- Straxus — Nickolas Grace
- Bulek/Eurelz Captain — Barry McCarthy
- Haspira/Trell — Nicola Weeks
- Orthena/Trell — Katarina Olsson
- Galactinet — Barnaby Edwards
Production and casting 
- Katarina Olsson has previously appeared in several Big Finish audio plays including the previous Eighth Doctor audio season as the Headhunter.
- Alexander Siddig is best known for his TV role as Dr. Julian Bashir in Star Trek: Deep Space Nine.
- Straxus appeared in the conclusion to the first series of Eighth Doctor & Lucie audios, Human Resources.
- The Time Ring first featured in Genesis of the Daleks as well as the last Eighth Doctor season finale, Human Resources.
- The Time Scoop first featured in The Five Doctors.
- The Dispersal Chamber (also known as the Oubliette of Eternity) was used in Neverland.
Radio Broadcast 
This episode was broadcast on BBC7 on 31 October 2009, as part of the BBC's "Maida Vale at 75" celebrations. The BBC broadcasts of this episode and the following episode (Vengeance of Morbius) were delayed from the original broadcast of the series in October and November 2008.