Romano forces Benton to choose between the trauma and cardiothoracic fellowships. Carol worries that she may have lost her child. Corday and Greene bond on the way to a medical…

Greene assists paramedics in treating injured children at a school bus accident. En route, Doug and Jeanie survive their own accident. Kerry stops Doug from treating Jeanie…or any other patient….

Doug faces possible criminal charges after Ricky Abbott dies when Ross bypasses system lockouts to enable Joi to give Ricky a lethal dosage of dilaudin. Doug is delegated to desk…

Doug jeopardizes future federal grants for the entire ER when he breaks a double blind study by giving a sample drug to an ailing patient. Doyle lodges a sexual harassment…

Dr. Corday commits a deadly error after being on-call for nearly 36 hours straight. Peter visits Dr. Kotlowitz and receives encouragement regarding a cochlear implant for Reese. Dr. Amanda Lee,…

After Mark saves a 16-year-old assault victim in a daring rescue, he tries to convince the boy to leave the streets for a shelter. Carter loses his beard when two…

Mark goes to a trauma scene with the EMTs, where he treats a gunshot victim who has a bomb strapped to himself. Later, Mark’s daughter persuades him to treat a…

Dr. Corday begins her first day as an intern, first by being assigned to Dale Edson, then being treated as Romano’s lapdog. Kerry is interviewed for ER chief. Doug and…

Dr. Corday’s father visits from overseas in an attempt to convince her to join his medical practice. Weaver suggests that Elizabeth look into alternative methods to stay in America, like…

Niles receives a phone call from a panicked Maris, who asks to meet him for lunch. She asks for advice on how to handle her violent, philandering lover. Niles recommends…

Gibbs is worried about Tony’s ability to handle his job when Tony’s father turns out to be linked to their newest investigation, an assassination attempt on a foreign prince.

With the team’s help, Vance faces his demons while uncovering a complex relationship with a killer that puts his whole family in danger.

Tony works to free Jane from CTU before Saunders can harm Michelle, but Chloe and Jack become suspicious of his activities. Sherry meets with Palmer’s political rival and proposes a…

Jack and Tony clash as the time for the hostage exchange draws near. Keeler meets with Palmer and demands his resignation, while Wayne begins a secret operation against Sherry.

Jack pushes the envelope in an attempt to force Saunders to disclose the location of the missing vials. Sherry meets with David to discuss her terms, while Wayne breaks into…

Chappelle threatens to pull Jack from the investigation for killing a material witness, but Jack persuades him to hold off when they find a fresh lead on Amador’s whereabouts. Amador…

Jack and Chase track Amador in the hopes that he can lead them to the man behind the virus attack. Michelle faces a mob riot when the hotel is quarantined….

Things finally come to an explosive head as Jack, Ramon, Nina and Chase all close in on the virus. But the deal takes an unexpected turn when Amador pulls a…

Jack and Chase interrogate Nina, but the worm turns when she causes havoc with the CTU computer systems. Chappelle puts Chloe under guard when she refuses to answer questions about…

Tony interrogates Nina about Alvers’ location, while Chappelle orders Jack to undergo a medical examination in light of his drug use. Kim and Chase have a conversation about the baby….

Jack forces Nina to work with him to get the virus from Amador. Palmer meets with Sherry and convinces her to help him deal with Milliken. Chase remains in Mexico…

Claudia manages to free Chase from his captors, but she pays a high price for her efforts. Wayne turns to Julia, while Palmer calls on Sherry for help against Milliken….

When Jack hits a dead end with his lead, he realizes he must persuade Sherry to help him get evidence against Kingsley. Things go awry at CTU when Division becomes…

Jack and Sherry Palmer prepare for a dangerous meeting with the head of the war conspiracy at the L.A. Coliseum; David Palmer sits in as the Cabinet waits for confirmation…

Palmer’s cabinet invokes the 25th Amendment in an attempt to remove him from power. They place him on trial for his extreme actions during the nuclear bomb threat. Jack and…

Jack locates the man who forged the audio evidence, but his efforts to break him down are sabotaged by Sherry Palmer, who has a hand in the conspiracy. Kim returns…

George pits Bob against Reza in hopes of learning which one is working with Second Wave. Sherry and Lynne clash over Palmer’s speech to the press. Kate is interrogated by…

Jack Bauer heads to the docks for a final climactic showdown with Victor Drazen.

Two traitors are uncovered. One is the mole in the Palmer administration who is working with Stanton. The other is the member of the Warner family who helped Syed Ali…

Kate helps Jack to locate and identify Syed Ali. Palmer places Stanton under arrest, but he won’t break. Palmer realizes he must go to extremes to make Stanton talk. Kim…

Jack engages in a brutal contest of wills with Syed Ali. George questions Bob Warner to learn more about Marie’s motivations for helping the terrorists. Kim is rescued by a…

Jack and his men prepare for a confrontation with Stanton’s renegade soldiers as they converge on the bomb. Kim becomes suspicious of her host, but is forced to stay because…

Jack and Kate try to break Marie’s resolve so they can learn the location of the bomb. Palmer confronts his ex wife with the information that Stanton gave them. George…

Jack discovers a top secret detention center houses someone from his past. Tony takes Teri back to CTU as Kim finds herself in jail. Andre Drazen and his soldiers raid…

Jack is captured by Victor Drazen and Andre when they escape the detention center. Palmer learns he is dominating the California polls. Drazen’s men capture Kim after she is released…

In order to buy himself more time Jack puts Victor and Andre in contact via Mason with a hospitalized Alexis Drazen. Palmer becomes involved with a campaign staffer. Tony and…

Jack delivers a cell phone that is unknowingly rigged to explode to Palmer. Kim manages to escape. The identity of the real mole inside CTU is exposed.

Jack begins his interrogation of Nina and pushes all boundaries in order to force her to divulge the name of her contact. Palmer is surprised and suspicious when his ex…

Jack poses as Alexis Drazen and goes to meet a contact who has vital information. However, a CTU agent with a grudge against Jack might risk the success of the…

Jack forces Nina to help with a sting operation against her contact in the hopes that he can lead them to the bomb. Palmer and Mike try to gage Stanton’s…