Star Trek: Year Four - The Enterprise Experiment is a five part comics miniseries published by IDW Publishing beginning April 2008. The series is written by D.C. Fontana and Derek Chester with art by Gordon Purcell, and continues the voyages of the USS Enterprise after the events of the Year Four miniseries.

The series is a sequel to the episode "The Enterprise Incident", featuring Federation experimentation with the captured cloaking device and appearances from the Romulans and in later issues of the series the Klingons. Arex also appears in the series.


Dorothy "D.C." Fontana, the writer from the original Star Trek TV series, is joined by partner Derek Chester (Star Trek: Deep Space Nine) for The Enterprise Experiment, an all-new series set in the unexplored fourth year of the U.S.S. Enterprise's legendary five-year mission. The Enterprise Experiment is a sequel to the classic episode "The Enterprise Incident" - originally written by Fontana herself - where Kirk and Spock found themselves trapped on an Enterprise out of phase with space itself and facing a plot of revenge from the Romulans!


Title/number Part 1 Part 2 Part 3 Part 4 Part 5
D.C. Fontana & Derek Chester
Gordon Purcell
Terry Pallot &
Gordon Purcell
Terry Pallot
Drew Geraci,
Jose Marzan Jr.
& Tom Nguyen
Bob Almond,
Tom Nguyen,
Gordon Purcell
& Bob Smith
16 April 2008
29 May 2008
2 July 2008
30 July 2008
27 August 2008
(Rob & Joe Sharp)
Enterprise Experiment 1 Sharp
Enterprise Experiment 2
Enterprise Experiment part 3
Enterprise Experiment part 4
Enterprise Experiment 5


With the exception of the first issue, which had three covers, this series only had one cover design per issue.


IDW Publishing miniseries
Completed series The Space BetweenKlingons: Blood Will TellYear FourAlien SpotlightIntelligence GatheringTurnaroundThe Enterprise ExperimentAssignment: EarthMirror ImagesRomulans: The Hollow CrownThe Last GenerationCountdownAlien Spotlight IICrewMission's EndThe Wrath of KhanSpock: ReflectionsNeroRomulans: SchismGhostsFool's GoldStar Trek Movie AdaptationLeonard McCoy, Frontier DoctorBurden of KnowledgeCountdown to DarknessCaptain's LogKhan: Ruling in HellInfestationStar Trek—Legion of Super-HeroesAssimilation²HiveKhanStrange New WorldsNew VisionsHarlan Ellison's The City on the Edge of ForeverThe Primate DirectiveThe Spectrum WarStarfleet AcademyManifest DestinyStar TrekStranger WorldsWaypointMirror BrokenBoldly GoThrough the MirrorThe Light of KahlessSuccessionTerra IncognitaStar Trek vs. TransformersThe Q Conflict IDW bulb
Future series Assignment: Earth IIYear FiveAftermathToo Long a Sacrifice
IDW Publishing omnibuses
IDW miniseries The Space BetweenKlingons: Blood Will TellYear FourAlien Spotlight, Volume IIntelligence GatheringTurnaroundYear Four: The Enterprise ExperimentAssignment: EarthMirror ImagesCountdownThe Last GenerationMission's EndCrewSpock: ReflectionsNeroRomulans: Pawns of WarAlien Spotlight, Volume IIGhostsFool's GoldStar Trek Movie AdaptationLeonard McCoy, Frontier DoctorMirror BrokenWaypointManifest DestinyStarfleet AcademyCountdown to DarknessKhanHiveKhan: Ruling in HellCaptain's Log IDW bulb
Archive material Star Trek Archives (Best of Peter DavidBest of the BorgBest of Gary SevenBest of DS9Best of Captain KirkBest of Alternate Universes) • Best of KlingonsStar Trek Omnibus (Volume 1Volume 2The Original SeriesMovie Omnibus) • Motion Picture TrilogyThe Stardate Collection (Volume 1Volume 2) • Newspaper Comics (Volume 1Volume 2) • Classic UK Comics (Volume 1Volume 2Volume 3)

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