Memory Beta, non-canon Star Trek Wiki

Return to Tomorrow

49,013pages on
this wiki
Add New Page
Talk0 Share

"Return to Tomorrow" was the 51st episode of Star Trek: The Original Series.



Clifford BrentChristine ChapelPavel ChekovHadleyHenochJames T. KirkRoger LemliEd LeslieLeonard McCoyM'BengaAnn MulhallSargonMontgomery ScottSpockHikaru SuluThalassaNyota Uhuraunnamed USS Enterprise (NCC-1701) personnel
Referenced only 
Adam and Eve

Starships and vehiclesEdit

USS Enterprise (Constitution-class heavy cruiser)
Referenced only 
Apollo 11


Arret (Arret system, the galaxy's Alpha or Beta Quadrants)
Referenced only 
Alpha CentauriEarthMars

Races and culturesEdit


Materials and substancesEdit


Foods and beveragesEdit


Drugs and treatmentsEdit

metabolic reduction injection

Science and medicineEdit


Measurement and classificationEdit

body temperatureccclass M planetFahrenheitheart ratemetabolic ratemilestandard orbit


arteryheartlungmusclevital organ

Technology and weaponsEdit

androiddistress signal relayhumanoid robothypomicro-gearnegatron hydrocoilpulleyreceptaclescalpelstarshipsubspace radiotransportertricorder

Communications and tacticsEdit

diagramsubspace radio

States and organizationsEdit


Ranks and titlesEdit

captainchief engineerchief medical officercommanderconndoctorengineerensignfirst officerhelmsmanlieutenantlieutenant commandermedicine mannavigatorphysicianscience officersecond officertactical officertechnicianweapons officer

Other referencesEdit

BonesclothingcommunicationenergyeuphoriaevolutiongalaxygovernmenthumanoidKirk in deathKirk's womenlanding partylifeformmattermeasurementmedicinememorynation-statenuclear age/nuclear eraplanetpoisonsciencespacetechnologytimeuniformuniverseweapon


Vulcan prehistory 
Mentioned by Spock.
stardate 4768.3, 2268 (2260s chronology, 2264–2270 Enterprise voyages
Enterprise travels to Arret.


Related storiesEdit


published order
Previous episode:
By Any Other Name
TOS episode produced Next episode:
Patterns of Force
Previous episode:
A Private Little War
TOS episode aired Next episode:
Patterns of Force
Previous story:
first story
Star Trek 9
Next story:
The Ultimate Computer
chronological order
Previous Adventure:
First, Do No Harm
Memory Beta Chronology Next Adventure:
The Order of Things
Pages 15-19
Previous Adventure:
Mutiny on the Enterprise
Pocket Next Adventure:
Patterns of Force
Previous Adventure:
Mutiny on the Enterprise
Voyages of the
USS Enterprise (NCC-1701)
(2264 to 2270)
Next Adventure:
Patterns of Force


External linkEdit

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.