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Professor Bernice Summerfield and the Bellotron Incident, or simply The Bellotron Incident, was the opening audio story of the fourth season of the Big Finish Bernice Summerfield series. It was the first performed appearance of the Rutans since 1994's Shakedown: Return of the Sontarans. Bellotron featured Bev Tarrant, a character which "crossed over" from the Doctor Who audio stories The Genocide Machine and Dust Breeding — the first case of a made-for-audio character leaping from one of Big Finish's ranges to another, outside of the special "event" of the Excelis Saga.

The story began a trend that would be carried throughout the fourth series. To a degree only minimally true of previous series, the fourth run of Benny stories knit Benny firmly into the DWU. Each story of the year would feature prominent species from Doctor Who, and would integrate Benny lore from as far back as her first appearances in the Virgin New Adventures. From this story forward, it would be impossible for fans to argue that Benny's post-TARDIS adventures took place in any other universe but the Doctor's.

Publisher's summary[]

Two aggressive alien races.

A war that has raged for centuries.

A planet that orbits through no man's land.

The Rutan/Sontaran conflict has started to endanger the Terran trade routes, but when the Captain of the battle cruiser Rites of Passage finds an energy signature of artificial origin on the primitive planet of Bellotron he is duty bound to call in the assistance of a qualified academic.

Confronted by savage predators, fiendish traps and the unexpected involvement of an opportunist thief, an unwilling Benny finds herself caught up in a conflict where neither side plays by the rules—and no-one is quite what they seem...


to be added




  • Bellotron is a Grade One Planet is a matriarchal society.
  • Bernice mentions Bartleby's Planetary Gazetteer and wants to get the cruk off Bellotron.


  • Both Bev and Bernice get copied by a Rutan.


  • Bellotron's orbit takes it through Sontaran space and Rutan space, with only a 54 hours between being in either space.
  • When looking at some hieroglyphs, Benny noticed that some of them looked like alphabets found on Earth and Argolis.
  • Benny mentions Rigel 9.


  • Benny laments that the alien script might as well be written in Ogron, and that she acts like a total Ogron.
  • The Brill are large cats that hunt in packs.


  • They've developed a mutagenic virus/bomb they plan to disperse through Sontaran space by blowing up Bellotron. After which, the Rutan Empire will target humanity.


  • Quilby refers to technobabble as a language.
  • Both the Sontarans and Rutans have access to stealth technology.
  • A Mark VII probe droid has 14 anti-collision devices.
  • The C-11s are six-foot tall droids with cloaking devices, and are made of duralinium.
  • Benny's warp-flight through hyperspace from KS-159 is via cryotube stasis, which had a fast-learn unit.
  • Bev doesnt' watch vidcasts.


  • The cruiser Rites of Passage is patrolling nearly 40 parsecs of empty space, along with the Potemkin, Odyssey, and Prince of Wales.
  • Sontaran cruisers include the Stor-class attack craft.


  • For most of this audio, it is the Rutan copy of Benny doing the talking rather than the real Benny.
  • This audio drama was recorded on 31 January 2003.
  • This story was initially released on CD, however a download version has since been released.


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