1. The Ticket

Leo is surprisingly criticized as Santos' running mate.

2. The Mommy Problem

A grand jury investigates a White House military leak.

3. Message of the Week

Vinick undermines Santos by targeting immigration issues.

4. Mr. Frost

Staffers testify in the military shuttle leak investigation.

5. Here Today

Toby retains counsel. Josh makes some tough decisions

6. The Al Smith Dinner

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

8. Undecideds

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

10. Running Mates

As Leo struggles with debate practice, Josh worries.

11. Internal Displacement

Embarrassing information about Bartlet surfaces.

13. The Cold

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

14. Two Weeks Out

Vinick gets an opportunity to damage the Santos campaign.

15. Welcome to Wherever You Are

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

19. Transition

Controversy occurs over the President-Elect and China.

21. Institutional Memory

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

22. Tomorrow

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