Home › Entities › television_series_episode › The Case of the Singular Double

The Case of the Singular Double

episode of Perry Mason (S4 E4)
TVEpisode television_series_episode Q114482859
Press Enter · cited answer in seconds

Key Facts

  • Follows: The Case of the Ill-Fated Faker[1]
  • Followed by: The Case of the Lavender Lipstick[2]
  • Part of the series: Perry Mason[3]
  • Publication date: October 8, 1960[4]
  • Title: The Case of the Singular Double[5]
  • Season: Perry Mason, season 4[6]

References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . 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). The Case of the Singular Double. Retrieved May 3, 2026, from https://4ort.xyz/entity/the-case-of-the-singular-double
MLA “The Case of the Singular Double.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/the-case-of-the-singular-double.
BibTeX @misc{4ortxyz_the-case-of-the-singular-double_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{The Case of the Singular Double}}, year = {2026}, url = {https://4ort.xyz/entity/the-case-of-the-singular-double}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): The Case of the Singular Double — https://4ort.xyz/entity/the-case-of-the-singular-double (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/the-case-of-the-singular-double · 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. 6w ago · Quesotiotyo · 2026-09-05 view diff on Wikidata ↗
    Imdb id → tt0673393
    Publication date → +1960-10-08T00:00:00Z
    Omdb film id → 155567
    Metacritic id → tv/perry-mason/season-4/episode-4-the-case-of-the-singular-d
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Tv maze episode id: 85846, [[:toollabs:quickstatements/#/batch/270928|batch #270928]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.