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"Vis à Vis" was the 88th episode of Star Trek: Voyager, the 20th episode of the show's fourth season, first aired on 8 April 1998. The episode was written by Robert J. Dougherty and directed by Jesús Salvador Treviño.


An alien impostor steals Tom Paris's genome, and then attacks several members of the crew.

Captain's log, stardate 51762.4
The repairs to Steth's coaxial drive have been completed, well ahead of schedule.
Captain's log, supplemental
The Doctor has treated Mister Paris's phaser wounds, but has been unable to wake him. The motive for his attack remains a mystery. (This entry was actually performed by Kathryn Janeway's imposter.)
Captain's log, stardate 51775.2
While the alien intruder remains trapped in the body of his last victim, The Doctor has found a way to return Tom, Steth and me to our own bodies.
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ChakotayDaelenThe DoctorDoradoKathryn JanewayHarry KimNeelixTom ParisSeven of NineStethB'Elanna TorresTuvok

Starships and vehicles

USS Voyager (Intrepid-class cruiser) • shuttlecraft (unnamed shuttlecraft)


Kotaba Expanse (Delta Quadrant)
Referenced only
BenthosNanipia Prime (Nanipia star system)

Shipboard areas

USS Voyager

Races and cultures

BenthanBorgDaelen's speciesHologramHumanKlingonTalaxianVulcan

Technology and weapons

coaxial warp drivehologramholographic emittersensorsspacecraftstarshipviewscreen

Materials and substances


States and organizations

Benthan GuardFederationStarfleet

Ranks and titles

captainchief medical officercommanding officerdoctorFederation Starfleet ranksFederation Starfleet ranks (2360s-2370s)first officerlieutenant commanderlieutenant junior gradeflight controllermedical practitionerofficer

Other references

anatomybootcaptain's logcaptain's log, USS Voyager, 2374clothingFederation membersgovernmenthairhumanoidjumpsuitlanguagelifeformlog entrymatternation-statepantsplanetquadrantraces and culturesrankspacestarstar systemstardateStarfleet uniformStarfleet uniform (2366-2373)technologytitleuniformuniverseweapon


years prior to 2374
The Benthans build their guard ships. (prior to episode)
stardate 51762.4, 2374 (2370s chronology, Voyager's journey)
Voyager travels near the Kotaba Expanse.


Related stories



published order
Previous episode:
The Killing Game
Voyager episode produced Next episode:
The Omega Directive
Previous episode:
The Killing Game
Voyager episode aired Next episode:
The Omega Directive
chronological order
Previous Adventure:
Dark Victory
Part One
Pocket Next Adventure:
The Ceremony of Innocence is Drowned

External links