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"Sherlock lives, at long last. And thanks to the peculiarities of festive scheduling, the two-year wait for &amp;#039;The Empty Hearse&amp;#039; is being followed up by a mere four-day wait for second episode &amp;#039;The Sign of Three&amp;#039;.  But if you just can&amp;#039;t wait until Sunday, Digital Spy has picked out ten teasers and quotes from the episode to tide you over.  WARNING: The below hints are deliberately vague and free of concrete spoilers, but for anyone who wants to know absolutely nothing about &amp;#039;The Sign of Three&amp;#039;, turn back now!  1) The core of the episode is one extraordinarily long monologue: Sherlock&amp;#039;s best man speech is interwoven around extended flashbacks, which fill in chunks of the six-month gap between &amp;#039;The Empty Hearse&amp;#039; and the wedding day.  2) Sherlock has more than a few surprising extracurricular skills up his sleeve. One is napkin origami. Another recalls one of Moffat&amp;#039;s best-loved episodes of Doctor Who. 3) &amp;quot;Either I&amp;#039;ve caught you in a compromising position, or you&amp;#039;re working out again.&amp;quot;  4) Remember Mrs Hudson&amp;#039;s husband who was executed for double murder? We find out quite a bit more about him. 5) John&amp;#039;s stag night is the funniest sequence in the show&amp;#039;s history. 6) &amp;quot;Yeah, but am I a pretty lady?&amp;quot;  7) The whole episode is essentially a love letter to John Watson.   8) A very familiar face from Sherlock&amp;#039;s past makes a brief but rather thrilling return. 9) &amp;quot;Oh, Sherlock. Neither of us were the first, you know.&amp;quot;  10) By the end of the episode, we find out what Sherlock&amp;#039;s &amp;quot;last vow&amp;quot; is.  &amp;#039;The Sign of Three&amp;#039; will air on BBC One on Sunday, January 5, followed by &amp;#039;His Last Vow&amp;#039; on January 12.  Gallery - Sherlock series 3:  Catch up on all the latest TV and Movies releases in Digital Spy&amp;#039;s Screen Time:      "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/tv/sherlock/news/a541110/sherlock-10-teasers-for-series-3-episode-2-the-sign-of-three/>