Diane Davis

When its discovered that a rather simple man has the ability to harness electricity, dangerous and deadly occurrences follow, and our unlikely trio investigates this super-charged oddity. Meanwhile, Olivia has a high-voltage encounter of a different kind when she is rocked by a blast from her past, and Dr. Bishop turns to his feathered friends and enlists homing pigeons to help him break the case.

When Danny and Maria investigate the kidnapping of a young girl who disappeared after school, it brings back difficult memories for Danny, who worked on a similar unsolved case many years ago. Meanwhile, Frank butts heads with Inspector General Kelly Peterson when he refuses to divulge information about a program that allows Frank to oversee intelligence officers abroad. Criminal defense attorney Bruce Cutler guest stars.

In the third season finale, the team takes desperate actions in its race to prevent the malevolent AI program Samaritan from coming online and making them its first targets. Meanwhile, the months-long battle with the anti-surveillance terrorist group Vigilance comes to a shocking conclusion.

The police call in Holmes and Watson to consult on a homicide "heard" by a cutting edge gunshot detection system when they can't find any tangible evidence that a crime was committed. Also, Sherlock and Joan become suspicious of Shinwell when he's the target of a drive-by shooting that reveals a connection between him and an unsolved murder.

When an unknown entity prevents The Machine from seeing the full picture of an impending catastrophic event, it sends the team five separate numbers to help them piece together the bigger picture. Meanwhile, Root's team of hackers arrives in New York.