The West Wing

Josh is caught off guard when political commentators are critical of Leo as a running mate for Santos. White House Counsel Oliver Babish discusses a leak investigation with C.J.

As a grand jury convenes to investigate the White House military shuttle leak, the campaign's focus changes to national security.

Vinick undermines the Santos campaign by targeting immigration issues--a topic Santos had previously successfully avoided.

Since several members of the staff have been subpoenaed to testify in the military shuttle leak investigation, C.J. is left to run the office practically by herself.

After answering questions from White House Counsel Oliver Babish, Toby concludes that he needs to retain counsel.

A third-party attack on Santos brings unwanted attention to both his and Vinick's stance on abortion. Meanwhile, Will gets a promotion.

The candidates debate.

Santos visits a Los Angeles African-American family whose child was shot by a Latino police officer. C.J. manages a crisis between China and Kazakhstan.

On the eve of Ellie's White House wedding, a military situation in Central Asia takes Bartlet away from the rehearsal festivities.

Leo struggles through debate practice and makes Josh and Lou extremely nervous. Meanwhile, Santos gets a brief respite from the campaign trail to see his family.

C.J. is in the process of negotiating a deal so Russia and China don't go to war over Kazakstan when some potentially embarrassing information about Bartlet surfaces.

Bartlet must face the possibility of a nuclear reactor meltdown in California. In the midst of this emergency, the presidential campaign goes on.

The effects of a nuclear scare in California continue to shake things up on both sides of the campaign trail.

As the end of the campaign trail nears, the candidates feel the burden more than ever.

The Attorney General pressures Toby to reveal his source on the shuttle leak.

In the series' 150th episode, the night before Election Day becomes even more meaningful for two staffers.

As the polls close, and results are tallied, emotions run high. Santos and Josh face the loss of their Vice Presidential candidate.

Bartlet and his current staff--as well as some friends from the past--come together for Leo's funeral.

A controversy occurs when the President-Elect places a telephone call to the president of China and espouses a different viewpoint from that of Bartlet.

Santos chooses a Vice President. Vinick deals with changes.

As the Bartlet administration prepares to transition into the Santos administration, C.J. must confront the choices affecting her future.

In the series finale, the Bartlet administration prepares to leave the West Wing.