Critic Consensus: "The Six Thatchers" is a welcome return for the much-missed series, and features a shocking turn of events that bolsters a somewhat thin plot.
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Critic reviews for The Six Thatchers
The return of Sherlock has been a return to form and proof that Gatiss and Steven Moffat are two of the most inventive minds working in British television.
The performances were stellar and the fan-servicey moments (Sherlock talking to a baby, not knowing Greg's name, etc) were still fun.
In expanding the world of the show, the series has strayed farther away from what made it so compelling in the first place.
It was at its best when the mystery fueled character revelations and drama, and until that dynamic returns, Sherlock will continue to be a frustrating mixed bag of brilliant performance and second-rate story.
All this episode did was rob her of a fitting death. Died from a misdirected bullet from an elderly secretary's gun? You deserved better Mary. We deserve better.
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