Holmes and Watson come into contact with MI-6, the British intelligence agency, when a standard murder investigation turns out to have international and political implications. Meanwhile, in the wake of a crisis, Watson reevaluates her relationships with Sherlock and his brother, Mycroft.

With Derek away, Meredith spends time with Amelia and finds out her true feelings about her time in Seattle. Bailey deals with the ramifications of her actions and Callie receives devastating news. Meanwhile, the residents panic after hearing that one of them will be fired.

Episode info coming soon ..

Mary and Catherine form an unlikely alliance when deciding how to deal with the increasingly manic King Henry, which puts Francis in jeopardy. Bash finds a boy who lived to tell about his encounter with the Darkness, which makes Bash determined to end it for good at any cost. Lord Julien reveals the truth about his motives, and Lola, blinded by love, finds herself in a dire situation after she attempts to protect him.

A bad day compels Penny to re-evaluate her choices -- including Leonard; Bernadette and Howard must care for Mrs. Wolowitz; Sheldon gives Raj advice on relationships.

Stephen interviews a role-playing congressional candidate, Fox Business anchor Stu Varney gushes about his popular appeal, and Ellen Page talks "X-Men: Days of Future Past."

Episode info coming soon ..

Episode info coming soon ..

When Stefan and Elena escape from Markos’ control, only to find themselves stranded in a remote location, Stefan gets philosophical with Elena about her relationship with Damon. After their attempt to protect the dopplegangers goes badly, Liv and Luke come up with a dangerous new strategy. Damon recruits Matt and Jeremy to help him set a trap for Markos, who turns out to have a devastating surprise of his own. Bonnie finally admits to Caroline that she’s been keeping the truth about the Other Side from everyone. Finally, while Bonnie searches desperately for a way to stop Markos, Caroline is witness to an unthinkable act of violence by one of the Travelers.