So--what's up with Mycroft? He's become the biggest puzzle, to me, of both seasons of Sherlock.

Massive spoilers to follow, so, you know--don't read if you don't want to find out anything.

In "A Study in Pink," he identifies himself as Sherlock's "arch-enemy," immediately clarifying that that's how Sherlock views him.  He offers Watson a small ( Read more... )