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Assimilation², Issue 4 is the untitled fourth issue of Assimilation², the Star Trek: The Next Generation—Doctor Who crossover comic series from IDW Publishing in 2012. The story is by Scott Tipton, David Tipton and Tony Lee, and the art is by Gordon Purcell and J.K. Woodward.

Publisher's description

Soon after Delta IV fell to an attack by the Borg and their new allies, the Cybermen, the Starship Enterprise discovered unexpected visitors had made their way on board the ship. Despite the counsel of Guinan, Captain Jean-Luc Picard remains suspicious of The Doctor and his companions...


Guinan meets the Doctor in Ten Forward. Both are sensitive to changes in time and realize that the Cybermen have altered history in the 23rd century in order to create a 24th century alliance with the Borg. Guinan assures Picard that he can trust the Doctor to help him stop the Cybermen, but Picard has reservations.

Meanwhile, during an assault on Cogen V, the combined Borg/Cyberman fleet unexpectedly reverses course from Sol to the Delta Quadrant. The Enterprise warps to the Cogen system, where the Doctor, Amy Pond and Rory Williams join an away team to investigate the now abandoned and lifeless planet. While discovering many Borg and Cyberman corpses, they are fired on by three indigenous sentry drones. Data and Worf destroy two of the drones with phasers while the Doctor disables the other with his sonic screwdriver and brings it back to the Enterprise for study.

In sickbay, Beverly Crusher and Geordi La Forge analyze a dead Borg and Cyberman, concluding that the two cyborg races fought each other. Video recovered from the drone shows that the Cogenians were kidnapped for cyber-conversion and confirms that Cybermen started attacking Borg during the assault. Long-range sensors show a fleet of wrecked Borg vessels, and Data estimates that most of the Borg cubes seen over Delta IV have been destroyed. Warp signatures show that the remaining Borg ships retreated towards the Delta Quadrant.

William T. Riker believes the Cybermen are pursuing the Borg to their homeworld and wonders if they might be potential Federation allies against a common foe, but the Doctor warns against such ideas. The Borg hail the starship, offering a truce to join forces against the Cybermen, but Picard will not even listen to their proposal.

To be continued...



Beverly CrusherDataThe DoctorGuinanGeordi La ForgeJean-Luc PicardAmy PondWilliam RikerDeanna TroiRory WilliamsWorf
Referenced only
James T. KirkLocutus

Starships and vehicles

Borg cubeUSS Enterprise-D (Galaxy-class explorer)
Referenced only



Referenced only
Delta Quadrant

Stars, systems

Referenced only
Solar system


Cogen V
Referenced only
Borg homeworldDelta IVEarth

Astronomical bodies

Paertes Nebula

Races and cultures

BetazoidBorgCybermanEl-AurianHumanKlingonTime Lord
Referenced only

States and organizations

Federation StarfleetUnited Federation of Planets

Science and classification

androidassimilationcombadgecutting beamcyber-conversionenergy weaponholodecklong-range sensormedical tricordermedscannerphasersentry droneshieldssonic screwdriversubspace communicationtechnologytransportertricorderviewscreenVISORwarp drivewarp signature

Ranks and titles

captaincommandercounselorcrewmatedoctorlieutenantnumber one

Other references

away teambridgechromeFederation Starfleet ranks (2360s-2370s)fleetlifesignobservation loungeplanetsickbayslaveryStarfleet uniform (2366-2373)Ten Forwardtimetransporter roomtruceuniversewarweapon




Production history

29 August 2012
First released by IDW Publishing.
26 September 2012
Collected in Assimilation², Volume 1. (ISBN 9781613774038)
5 November 2013
Collected in the Assimilation² hardcover. (ISBN 9781613777824)


Assimilation² crossover series
Volume 1 Issue 1Issue 2Issue 3Issue 4
Volume 2 Issue 5Issue 6Issue 7Issue 8

External links