Useful link:

IMDB

TVDB

MediaInfo:

4×01 The Six Thatchers.mkv 4.54 GB
4×02 The Lying Detective.mkv 4.31 GB
4×03 The Final Problem.mkv 3.68 GB

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ExtMatrix Download Links

Sherlock.S04E01.The.Six.Thatchers.720p.BluRay.DD5.1.x264-VietHD.mkv
Sherlock.S04E02.The.Lying.Detective.720p.BluRay.DD5.1.x264-VietHD.mkv
Sherlock.S04E03.The.Final.Problem.720p.BluRay.DD5.1.x264-VietHD.mkv