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"Behind Enemy Lines!" is a Star Trek: The Original Series comic published by DC Comics in 1985. The comic was written by Mike W. Barr, with art by Tom Sutton and Ricardo Villagran. It is the fourteenth comic in DC's first TOS comic series, and the sixth part of the New Frontiers story-arc. The title refers to two plots in the issue: The Spocks taking the Bird-of-Prey into Klingon space, and the Excelsior crew's rescue mission to a Terran prison.


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Log Entries

Personal Log, Stardate 8221.6
My plan has failed! Posing as our ruthless counterparts of this parallel universe, my crew and I hoped to lead their invasion fleet to defeat! But though the Empire council has not discovered our true identities, they are aware of our intent!



BlaineKahless IVJames T. KirkKonomDavid MarcusLeonard McCoySaavikSaavikSpockHikaru SuluNyota Uhura

Starships and vehicles

IKS B'rel (B'rel-class) • USS Armstrong (Miranda-class) • USS Excelsior (Excelsior-class) • ISS FarragutIKS Ravager


Gamma TrianguliGamma Trianguli XIIKashmirror universe

Races and cultures


States and organizations

Terran Empire

Other references

Test of Truth



  • This issue shows the Bird-of-Prey firing while still under cloak, which is curiously inconsistent with Star Trek III: The Search for Spock which established the vessel and its capabilities, including its having to decloak before firing. It is similarly inconsistent with later stories, notably Star Trek VI: The Undiscovered Country, where a Bird-of-Prey being able to fire while cloaked was a notable and exceptional tactical advantage.
  • The Klingon homeworld in the mirror universe is identified as Kash in this issue, as opposed to the later widely used Qo'noS.

Related stories

  • New Frontiers (TOS comic miniseries) - This is the sixth part of the New Frontiers story arc, continuing on from the previous issue with the story opening with the Excelsior under attack from the Terran Empire fleet. The story continues into the next two issues with the Klingon alliance established in this issue allowing the Excelsior crew to fight back against the Terrans.
Stories featuring the mirror universe
Enterprise episode: "In a Mirror, Darkly" • prose: Age of the Empress • "Nobunaga"
Discovery episodes: "Into the Forest I Go" • "Despite Yourself" • "The Wolf Inside" • "Vaulting Ambition" • "What's Past Is Prologue" • "Terra Firma" • comics: Succession ("Issue 1" • "Issue 2" • "Issue 3" • "Issue 4")
The Original Series episode: "Mirror, Mirror" • comics: Hell's MirrorThe Mirror Universe Saga ("... Promises to Keep" • "Double Image" • "Deadly Reflection!" • "The Tantalus Trap!" • "Masquerade!" • "Behind Enemy Lines!" • "The Beginning of the End..." • "Homecoming...") • Fragile GlassMirror Images ("Issue 1" • "Issue 2" • "Issue 4" • "Issue 5") • "The Mirror, Crackedprose: SpectreDark VictoryPreserverThe Sorrows of Empire • "Ill Winds" • "The Greater Good" • video game: Shattered Universe
Kelvin timeline comics: Mirrored ("Part 1" • "Part 2") • "Parallel Lives, Part 2" • Live Evil ("Part 1" • "Part 2" • "Part 3")
The Next Generation comics: "Mirror Images, Issue 3" • Mirror Universe Collection (TNG - Mirror Broken comics: "Origin of Data", "Prelude", "Issue 1", "Issue 2", "Issue 3", "Issue 4", "Issue 5" • TNG - Through the Mirror comics: "Issue 1", "Issue 2", "Issue 3", "Issue 4", "Issue 5" TNG - Ripe for Plunder comics: "Chapter One", "Chapter Two", "Chapter Three", "Chapter Four", "Chapter Five" • TNG - Terra Incognita comics: "Issue 1", "Issue 2", "Issue 3", "Issue 4", "Issue 5", "Issue 6") • ST: The Mirror War: "Issue 0", "Issue 1", "Issue 2", "Data", "Issue 3", "Issue 4", "Geordi", "Issue 5", "Issue 6", "Issue 7" • prose: Dark MirrorThreeThe Worst of Both Worlds • "The Traitor" • "The Sacred Chalice" • "For Want of a Nail" • Rise Like Lions
Deep Space Nine episodes: "Crossover" • "Through the Looking Glass" • "Shattered Mirror" • "Resurrection" • "The Emperor's New Cloak" • comic: "Enemies & Allies" • prose: Dark PassionsWarpathSaturn's ChildrenFearful Symmetry • "A Terrible Beauty" • The Soul Key • "Freedom Angst" • Disavowed
Voyager prose: The Mirror-Scaled Serpent • "Bitter Fruit" • comic: "Mirrors & Smoke"
New Frontier comics: Turnaround ("Part I" • "Part II" • "Part III" • "Part IV" • "Part V") • prose: Cutting Ties • "Homecoming"
Klingon Empire prose: "Family Matters" Titan prose: "Empathy" Vanguard prose: "The Black Flag"
Miniseries and anthologies RPG sourcebook: Through a Glass, Darklycomics: The Mirror Universe SagaTurnaroundMirror Imagesprose: Mirror Universe TrilogyMirror Universe (Glass EmpiresObsidian AlliancesShards and Shadows)


Published Order
Previous comic:
TOS comics
first DC monthly series
Next comic:
The Beginning of the End...
Chronological Order
Previous adventure:
Memory Beta Chronology Next adventure:
The Beginning of the End...


Publication history

May 1985
First published by DC Comics.
April 1991
Reprinted in The Mirror Universe Saga omnibus. (DC Comics)
September 2009
Reprinted in the Best of Alternate Universes omnibus. (IDW)
19 July 2018
Reprinted in Graphic Novel Collection #41. (Eaglemoss)


March 1995
German: As "Feindliche Linien", translated by Uwe Anton, collected in Die Spiegelwelt part 2, Star Trek #2. (Carlsen)
October 1985
French: Part 1 in Suspense Intergalactique, omnibus Star Trek #5. (Arédit)
December 1985
French: Part 2 in Le Commencement de la Fin, omnibus Star Trek #6. (Arédit)

External link