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Tomorrow Is Yesterday

19th episode of the first season of Star Trek: The Original Series
TVEpisode star_trek_episode Q5252917
Tomorrow Is Yesterday
United States Air Force · Public Domain · Wikimedia
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Tomorrow Is Yesterday

Summary

Tomorrow Is Yesterday is a Star Trek episode[1]. It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Tomorrow Is Yesterday's instance of is recorded as Star Trek episode[3].
  • Tomorrow Is Yesterday's instance of is recorded as television series episode[4].
  • Tomorrow Is Yesterday was directed by Michael O'Herlihy[5].
  • D. C. Fontana wrote the screenplay for Tomorrow Is Yesterday[6].
  • Tomorrow Is Yesterday's genre is science fiction[7].
  • Tomorrow Is Yesterday followed Arena[8].
  • Tomorrow Is Yesterday was followed by Court Martial[9].
  • A cast member of Tomorrow Is Yesterday was William Shatner[10].
  • A cast member of Tomorrow Is Yesterday was Leonard Nimoy[11].
  • A cast member of Tomorrow Is Yesterday was DeForest Kelley[12].
  • A cast member of Tomorrow Is Yesterday was James Doohan[13].
  • A cast member of Tomorrow Is Yesterday was George Takei[14].
  • A cast member of Tomorrow Is Yesterday was Nichelle Nichols[15].
  • A cast member of Tomorrow Is Yesterday was Roger Perry[16].
  • A cast member of Tomorrow Is Yesterday was Bill Blackburn[17].
  • Tomorrow Is Yesterday's part of the series is recorded as Star Trek: The Original Series[18].
  • Tomorrow Is Yesterday's director of photography is recorded as Gerald Finnerman[19].
  • Tomorrow Is Yesterday is part of Star Trek: The Original Series (Remastered), Best of, Vol. 2[20].
  • The original language of Tomorrow Is Yesterday was English[21].
  • Tomorrow Is Yesterday's language of work or name is recorded as English[22].
  • Tomorrow Is Yesterday was distributed by video on demand[23].
  • Tomorrow Is Yesterday was distributed by VHS[24].
  • Tomorrow Is Yesterday's review score is recorded as 8/10[25].
  • Tomorrow Is Yesterday's review score is recorded as 6.3/10[26].
  • Tomorrow Is Yesterday's original broadcaster is recorded as NBC[27].

Body

Authorship and Creation

Tomorrow Is Yesterday was directed by Michael O'Herlihy[5]. D. C. Fontana wrote the screenplay for it[6]. Cast members include William Shatner[10], Leonard Nimoy[11], DeForest Kelley[12], James Doohan[13], George Takei[14], and Nichelle Nichols[15].

Publication

Publication dates include January 26, 1967[28] and May 27, 1972[29]. The original language of Tomorrow Is Yesterday was English[21]. Its language of work or name is recorded as English[22]. Its genre is science fiction[7]. It is part of Star Trek: The Original Series (Remastered), Best of, Vol. 2[20]. Its part of the series is recorded as Star Trek: The Original Series[18]. Recorded distribution format include video on demand[23] and VHS[24].

Subject and Themes

Tomorrow Is Yesterday's part of the series is recorded as Star Trek: The Original Series[18].

Reception

Reviews include 8/10[25] and 6.3/10[26].

Adaptations and Inspiration

Tomorrow Is Yesterday followed Arena[8]. It was followed by Court Martial[9].

Why It Matters

Tomorrow Is Yesterday has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[2] It is known by 3 alternative names across languages and contexts.[30]

Related Entities

DeForest Kelley George Takei James Doohan Leonard Nimoy Montalto Dora Netflix Nichelle Nichols Star Trek: The Original Series United States William Shatner

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . allmovie.com. Retrieved . allmovie.com. Provenance: wikidata.org.
  4. [6] ↑ . memory-alpha.fandom.com. memory-alpha.fandom.com. Provenance: wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . memory-alpha.fandom.com. memory-alpha.fandom.com. Provenance: wikidata.org.
  16. [18] ↑ . rottentomatoes.com. Retrieved . rottentomatoes.com. Provenance: wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . memory-alpha.fandom.com. Retrieved . memory-alpha.fandom.com. Provenance: wikidata.org.
  23. [25] ↑ . imdb.com. Retrieved . imdb.com. Provenance: wikidata.org.
  24. [26] ↑ . allmovie.com. Retrieved . allmovie.com. Provenance: wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [28] ↑ . omdbapi.com. Retrieved . omdbapi.com. Provenance: wikidata.org.
  27. [29] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. wikidata.org.
  2. [30] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Tomorrow Is Yesterday. Retrieved May 3, 2026, from https://4ort.xyz/entity/tomorrow-is-yesterday
MLA “Tomorrow Is Yesterday.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/tomorrow-is-yesterday.
BibTeX @misc{4ortxyz_tomorrow-is-yesterday_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Tomorrow Is Yesterday}}, year = {2026}, url = {https://4ort.xyz/entity/tomorrow-is-yesterday}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Tomorrow Is Yesterday — https://4ort.xyz/entity/tomorrow-is-yesterday (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/tomorrow-is-yesterday · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5w ago · Shisma · 2026-08-15 view diff on Wikidata ↗
    Copyright status → copyrighted
    Original network → —
    Follows → —
    Cast member → William Shatner, Leonard Nimoy, DeForest Kelley +5
    + 42 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ [[Property:P14773]]: EPMA0000000434, Matched to [[:toollabs:mix-n-match/#/entry/308617551|Tomorrow is Yesterday (#308617551)]] in [[:toollabs:mix-n-match/#/catalog/8258|ST"
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