Character · Sherlock
Sherlock Holmes's IQ — what the methodology actually says.
"Sherlock Holmes's IQ" is a popular search. TV Intelligentsia doesn't invent IQ numbers for fictional characters. Here's the honest answer — the show's IQ Score, and what it tells you about how seriously the work treats his mind.
The honest answer
TVI scores shows and films, not characters. Assigning an IQ to a fictional character would be fabrication — we don't have a methodology for that. What we do have: a 0–200 rating of the work's structural intellectual quality, and that score tells you something real about how seriously Sherlock treats Sherlock Holmes's mind.
Who Sherlock Holmes is, and what kind of intelligence the show actually depicts
Sherlock Holmes (Benedict Cumberbatch) is consulting detective whose famous deductive method is the explicit subject of the show. The character's intellectual signature in the show is visual-deductive reasoning, encyclopedic recall, social cognition rendered as a weakness rather than the gift his intellect is.
This is the part of the question "what is Sherlock Holmes's IQ" that the search engine flattens. The real question — the one viewers are circling — is whether the show treats his mind seriously. That's the question TVI can actually answer.
What the IQ Score reveals about the portrayal
Sherlock scores 148/200 (Stimulating tier) — not Masterclass — because while the show foregrounds intelligence as content, its treatment of that intelligence sometimes prioritizes spectacle over rigor. The visual-deduction sequences are formal innovations; the underlying mysteries don't always reward the close attention they demand. The IQ Score reflects this: high cognitive demand, real craft, but uneven analytical follow-through.
For the full score breakdown — Cognitive Stimulation, Educational Value, Craft & Quality, and the rationale — see Sherlock on TV Intelligentsia. Or read what an IQ Score is and how it's calculated.
Read the full methodology
How TV Intelligentsia scores intellectual quality — the rubric, the dimensions, the published framework.
Methodology →