While on the ground in Spain, McG makes a connection that leads to discovery of a potential threat; Noah and Hannah venture out to get some intel of their own.

When things go sideways during a mission, the only option is for the team to risk one of its own for a final shot to settle the personal score.

Dalton and his team race the clock on a high-stakes mission; Patricia learns more from Hoffman, and the group tries to use the information to save lives.

An undocumented drone crash on Mongolia's border forces the team to investigate in a conventional way; a stunning realization takes place in the D.I.A.

As the team heads to Paris on a mission connected to Amir's undercover past, things get personal; the team members learn more about the newest member and what might have brought him to them.

Dalton and what remains of his team try to escape with their lives as they process a devastating loss; Patricia will stop at nothing to make things right, even if it means putting her career at risk.

A U.S. submarine is hacked; Dalton and his team stumble upon a piece of Patricia's past; Patricia heads to Turkey to confront one of her most epic demons.

FARC revolutionaries take over a flight in Colombia, prompting Hannah to return to the field.

The team heads to Russia when C.I.A. Officer Cassie Conner is attacked by rebels; Patricia and her team work to find out why Archer is important to the rebels.

An American traitor who turned to terrorism becomes integral in preventing the next attack on U.S. soil; an unexpected breach occurs in the prison where Dalton is stationed.

Received intel points to an international arms deal; Patricia makes a controversial decision that could lead to a big breakthrough; a weak link in Boothe's men must be found to carry out the mission.

Dalton's team heads to Nigeria to assist an ambassador who is in danger; Jaz connects with a little girl during the mission; Patricia receives some personal news.

Adam and his team, with help from Director Campbell and her team of analysts, must rescue a kidnapped doctor from a group with terrorist ties.

As the firefighters, rescue squad and paramedics of Chicago Firehouse 51 forge headfirst into danger, the choices they make can mean the difference between life and death. But from the relentless pressure of saving lives, an extended family is forged. Led by Chief Wallace Boden, Matthew Casey, Kelly Severide, Gabriela Dawson and the others know -- when it's go time, Firehouse 51 lays it all on the line for each other. This high-octane drama from Executive Producer Dick Wolf offers an edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions.

Inspired by a true story, a working-class community is awakened when its high school theater program takes on an unconventional new leader. As dedicated teacher and family man Lou Mazzuchelli takes over the lagging department, he encourages his students to unleash their creativity and explore new means of self-expression. But even though the students discover talents and ambitions they never knew they had, not everyone in town is thrilled. Upset by challenges brought by change, enraged faculty and skeptical parents contest Mr. Mazzu's galvanizing efforts. But with passionate fervor running through the town's veins, no one can deny a revolution is underway.

When a group with nefarious intentions attempts to change the world as we know it by altering the past, Lucy, a historian, Wyatt, a soldier, and Rufus, a scientist, unite to form an unlikely partnership, traveling through time to save history. Their riveting adventures take them to some of the most thrilling, volatile and critical events on record, including a venture to the Old West, a sojourn to the Alamo, a visit to the famous Chicago World's Fair and a crusade into Nazi Germany. Along the way, they cross paths with famous historical icons, such as Josephine Baker, Harry Houdini, Ernest Hemingway and infamous rivals Eliot Ness and Al Capone. But every step the team takes to protect history puts everything we know at risk -- because changing one thing changes everything.

When Marine Sgt. Nicholas Brody returns home following eight years in captivity, CIA agent Carrie Mathison thinks he has turned and is connected to a terror plot to be carried out on American soil, so she engages him in a dangerous game of cat and mouse that puts America's national security at risk. Later on, Carrie gets a promotion and returns to the front lines overseas. She is assigned to one of the CIA's most volatile and dangerous stations in the Middle East, where she is in the heart of battle in the war on terror. Years later, after being disillusioned and placing herself in a self-imposed exile in Berlin, Carrie becomes estranged from the CIA, eventually returning stateside where she works for a foundation providing aid to Muslims living in America.

New York detective and single mom Harlee Santos must walk the thin line between loyalty and betrayal. She's forever dedicated to her team -- especially to her boss and mentor Lt. Matt Wozniak, a dirty cop who's always kept her family safe. But when ruthless FBI agent Robert Stahl catches her on the take, he leaves her no choice but to turn on her own. Though the mounting pressure on both sides is constant and influences her every move, Harlee stops at nothing to protect herself -- and those she loves.