Russia presses the White House, while Jack must try to thwart the Chinese and his oldest antagonist simultaneously.

Russian ire worries the White House, while the Chinese take on CTU, and the damaged circuit board is in surprising hands.

A missing computer circuit board: the Russians get wind of Chinese espionage, the White House must find a leak, and CTU interrogates an unlikely witness.

The Chinese want Jack to give them Russian nuclear technology, and the President wants the Vice President’s resignation.

Jack goes rogue to save a woman, and the White House needs a fall guy for Fayed’s success.

Jack enlists the help of an autistic man in the search for Gredenko, and Sandra Palmer makes a fateful decision.

Jack baits Fayed with Gredenko, while the President faces a challenge to his office.

CTU’s satellite tracking system is compromised as a bomb-carrying drone heads toward an unknown city. Meanwhile, US forces prepare for a nuclear retaliation on the Middle East.

The search for Gredenko finds Jack hunted inside the Russian Consulate and a former President calling on his ex-wife.

Jack’s search takes him to the Russian Consulate, while the Vice President contemplates a sweeping executive order.

While investigating the abduction of a young boy in Las Vegas, Dr. Reid starts to have dreams that might help reveal buried memories from his childhood.

Sherlock pursues Martin Ennis, an unpredictable criminal, before he strikes again. During the investigation, Sherlock is forced to work alongside Kathryn Drummond, the FBI profiler who literally wrote the book…