A La Maison Blanche

Leo is surprisingly criticized as Santos' running mate.

A grand jury investigates a White House military leak.

Vinick undermines Santos by targeting immigration issues.

Staffers testify in the military shuttle leak investigation.

Toby retains counsel. Josh makes some tough decisions

A third party exposes Santos' and Vinick's abortion stances.

The candidates debate.

Santos visits a family whose child was shot by a Latino cop.

Before Ellie's wedding, a military problem diverts Bartlet.

As Leo struggles with debate practice, Josh worries.

Embarrassing information about Bartlet surfaces.

Bartlet deals with a possible nuclear reactor meltdown.

After the nuclear scare, Vinick falters, and Santos gains.

Vinick gets an opportunity to damage the Santos campaign.

Toby is pressured to reveal his source on the shuttle leak.

The night before the election is important for two staffers.

The polls close, results are tallied and emotions run high.

Bartlet's staff and friends come together for Leo's funeral.

Controversy occurs over the President-Elect and China.

Santos chooses a Vice President. Vinick deals with changes.

C.J. and Will confront their post-election choices.

Bartlet and team look back on their time in the White House.