Case file

"Elementary, my dear Watson"

The "Elementary, my dear Watson" Mandela effect is the widespread belief that Sherlock Holmes frequently says this exact phrase in Sir Arthur Conan Doyle’s original books. Despite its popularity, the phrase never appears in any of the 56 short stories or four novels, though Holmes often says "elementary" and "my dear Watson" separately.

Case file #14 · quote · first logged April 6, 2026
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The "Elementary, my dear Watson" Mandela effect is the widespread belief that Sherlock Holmes frequently says this exact phrase in Sir Arthur Conan Doyle’s original books. Despite its popularity, the phrase never appears in any of the 56 short stories or four novels, though Holmes often says "elementary" and "my dear Watson" separately.
33%
ALTERNATE
0%
CURRENT
67%
UNSURE

3 total reports currently attached to this effect.

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4
ACCOUNTS
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ACTIVE NOW
26
RESPONSES
5
TIMELINES
58
ACTIVE EFFECTS
1
COUNTRIES MAPPED