Amy finds she has sexual feelings for Penny's ex, while Koothrappali and Wolowitz try to prove who would be the better superhero.
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...........