While Leonard and Penny have problems trying to recover from an embarrassing hook-up, Sheldon and Howard bet their very best comic books trying to decide the species of a cricket.
James Moriarty - the greatest criminal mind that the world has ever seen. Sherlock and John knew he wouldn't stay hidden for long. But even they never guessed the sheer scale and audacity of the crime that would propel Moriarty back into the headlines. The crime of the century...........