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 her home to find the incriminating evidence.
Tony finds himself facing a harsh penalty because of his efforts to save Michelle.
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.
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 deal to blackmail him.
Jack attempts to use Saunders’ daughter as leverage to gain control of the virus, while Palmer must deal with the discontented press.
Michelle gets the results of her test, while Adam finds that the virus has struck too close to home.
Tony finds himself compromised when Saunders exploits his only weakness.
Jack reluctantly works with Kim on an under-cover job that may help them gain an advantage over Saunders.
Palmer informs his cabinet of the crisis, while Saunders makes yet another demand.
Chase tracks down the man who left the hotel and learns that the virus is spreading to the general public.
Jack and Chase race against time to capture Saunders before the deadline, while Chappelle plans an escape.
Michelle begins a frantic search when she learns that an infected hotel guest may have slipped through her fingers.
Saunders begins making demands on the President. He forces Palmer to hold a strange press conference and then orders the death of the CTU agent who can trace him.
Jack learns of a woman who can lead him to Saunders, but a surprise attack shifts the balance of power.
As Gael’s symptoms get worse, Michelle devises a way to relieve the suffering of the victims at the hotel.
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.
Sherry extorts Palmer, forcing him to manufacture her alibi for the police.
Anubis begins a systematic assault on Earth, and the planet’s only hope of salvation depends on whether SG-1 can find the Ancients’ mythical Lost City.
O’Neill goes to great lengths to keep the Ancients’ knowledge from falling into Goa’uld hands when the team discovers a second repository. The President replaces General Hammond with a civilian diplomat.