Shadow of a Doubt — IQ Score 163/200
Shadow of a Doubt has an IQ Score of 163/200 on TV Intelligentsia's Intelligence Quotient rubric, placing it in the Masterclass tier.
Measurably increases domain knowledge or cognitive capacity
Score Breakdown
IQ = round((Cognitive × 0.4 + Educational × 0.35 + Craft × 0.25) × 4)
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The TVI Take
Hitchcock's 1943 Thornton Wilder screenplay (the writer Hitchcock named as his favorite collaborator). Joseph Cotten's Uncle Charlie arriving in Santa Rosa to hide from a serial-murder investigation is the structural inverse of the Hitchcock formula: the protagonist's home is the safe space the antagonist enters rather than the unsafe space she must escape.
Teresa Wright's young Charlie is rare female-protagonist work whose investigative intelligence drives the plot.
Where to Watch
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