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Chaos Theory

episode of ER (S9 E1)
TVEpisode television_series_episode Q5072799
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Chaos Theory

Summary

Chaos Theory is a television series episode[1].

Key Facts

  • Chaos Theory's instance of is recorded as television series episode[2].
  • Chaos Theory was directed by Jonathan Kaplan[3].
  • Jack Orman wrote the screenplay for Chaos Theory[4].
  • R. Scott Gemmill wrote the screenplay for Chaos Theory[5].
  • Chaos Theory followed Lockdown[6].
  • Chaos Theory was followed by Dead Again[7].
  • Chaos Theory's part of the series is recorded as ER[8].
  • The original language of Chaos Theory was English[9].
  • Chaos Theory's original broadcaster is recorded as NBC[10].
  • Chaos Theory's country of origin is recorded as United States[11].
  • Chaos Theory was released on September 26, 2002[12].
  • Chaos Theory was published on September 3, 2003[13].
  • Chaos Theory's title is recorded as Chaos Theory[14].
  • Chaos Theory's production code is recorded as 175151[15].
  • Chaos Theory's season is recorded as ER, season 9[16].

Body

Authorship and Creation

Chaos Theory was directed by Jonathan Kaplan[3]. Screenwriters include Jack Orman[4] and R. Scott Gemmill[5].

Publication

Publication dates include September 26, 2002[12] and September 3, 2003[13]. The original language of Chaos Theory was English[9]. Its part of the series is recorded as ER[8].

Subject and Themes

Chaos Theory's part of the series is recorded as ER[8].

Adaptations and Inspiration

Chaos Theory followed Lockdown[6]. It was followed by Dead Again[7].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . omdbapi.com. Retrieved . omdbapi.com. Provenance: wikidata.org.
  12. [13] ↑ . fernsehserien.de. Retrieved . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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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). Chaos Theory. Retrieved May 3, 2026, from https://4ort.xyz/entity/chaos-theory-q5072799
MLA “Chaos Theory.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/chaos-theory-q5072799.
BibTeX @misc{4ortxyz_chaos-theory-q5072799_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Chaos Theory}}, year = {2026}, url = {https://4ort.xyz/entity/chaos-theory-q5072799}, note = {Accessed: 2026-05-03}}
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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. 13d ago · Supaplex · 2026-06-10 view diff on Wikidata ↗
    Follows → Lockdown
    Country of origin → United States
    Isan → 0000-0002-D808-00B4-N-0000-0000-5
    Screenwriter → Jack Orman, R. Scott Gemmill
    + 24 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||zh, zh-hant, zh-tw */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/35772|batch #35772]]: TV series ER: 新增華語變體的名稱與描述"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.