Sherlock is called in to investigate when a supposedly uncrackable bank vault called “The Leviathan” is breached. Meanwhile, Joan is pleasantly surprised when Sherlock meets her family and defends her choice to become a sober companion. false 2018-11-02 04:09:41 Peter Werner Corinne Brinkerhoff Craig Sweeny Corinne Brinkerhoff Craig Sweeny 7.8 2012 44 https://www.thetvdb.com/banners/episodes/255316/4440753.jpg 10 1 2012-12-13 srt srt progressive False False 119 255316 4440753