The Lying Detective; The Final Problem
The Abominable Bride; The Six Thatchers
The Empty Hearse; The Sign of Three; His Last Vow
It’s apparently been a while, but I’d apparently seen all three of these when they were initially released in the US. It is nice prep for season 4 which is also available. I’ve forgotten enough bits and the series is rich enough that watching it all again is still very engaging.
Watched on Netflix streaming via Chromecast to Television