Kario Marcel

Frank goes on high alert when a threat to New York City may be imminent following a terrorist attack in the Middle East.

Holmes and Watson work to determine if a long dormant serial killer has resurfaced in the wake of a sculptor's murder in New York City. Also, Watson suspects Holmes is keeping something from her regarding tech billionaire Odin Reichenbach.

In the aftermath of a deadly attack on the White House, Elizabeth tries to keep a major nuclear disarmament deal from falling apart while a manhunt for the attackers brings D.C. to a halt. For advice, Elizabeth turns to former secretaries of state (guest starring as themselves) Madeleine Albright, Hillary Clinton and Colin Powell, on the fifth season premiere.

In the season finale, when Dana's ex-boyfriend shows up in New York to win her back, Peter does everything he can to show Dana how much he cares, even letting her go if that's what it takes. David helps Chloe get out of her dating slump by showing her how to use the Cooper family secret dating trophy.