Dar Dixon

When a Navy commander's body washes up on shore along with the bodies of two drug runners, Gibbs refuses to believe that the sailor who was killed was dirty.

When Los Angeles is swept by a series of blackouts, a serial killer uses the cover of darkness to commit murders.

Cristina considers her future at the hospital; Amelia and Derek collaborate on a tough surgery involving conjoined twins; Jo takes on too many cases at once; Stephanie stumbles on the truth about Bailey's case.

The team look for a commonality when a series of targeted abductions take place; Savannah is frustrated with Morgan's travelling.

Billionaire entrepreneur Edward Vogler buys his way into becoming chairman of the board with plans to use the facility as a new biotech venture, which could mean the hospital no longer needs the services of Dr House.

Daniel tries to make Emily jealous by reconciling his relationship with Sara, but Emily makes it clear that she will not give up. Patrick seeks answers from Victoria and Emily continues to black out.