"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.
This article or section is incomplete
This article is marked as lacking essential detail, and needs attention. Information regarding expansion requirements may be found on the article's talk page. Feel free to edit this page to assist with this expansion.



ChakotayDaelenThe DoctorDoradoKathryn JanewayHarry KimNeelixTom ParisSeven of NineStethB'Elanna TorresTuvok

Starships and vehiclesEdit

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


Kotaba Expanse (Delta Quadrant)
Referenced only 
BenthosNinipia Prime (Ninipia star system, Milky Way Galaxy)

Shipboard areasEdit

USS Voyager 

Races and culturesEdit

BenthanBorgDaelen's speciesHologramHumanKlingonTalaxianVulcan

Technology and weaponsEdit

coaxial warp drivehologramholographic emittersensorsspacecraftstarshipviewscreen

Materials and substancesEdit


States and organizationsEdit

Benthan GuardFederationStarfleet

Ranks and titlesEdit

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

Other referencesEdit

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 storiesEdit



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 linksEdit