Gerry Becker

While on Air Force One, a Navy Commander dies. Agents from NCIS decide to take the investigation into their own hands and also force Secret Service Agent Kate Todd to help.

Bartlet and his staff rush to deal with an anticipated terrorist attack over a broad area. Meanwhile, C.J. has trouble adjusting to being protected by a handsome and capable Secret Service agent.

In the Season Six finale, an upcoming Bat Mitzvah provides Larry with an opportunity to clear up his recent domestic travails--as well as some nasty rumors.

When Julia surprises Matt having sex with both Vanessa Bartholomew (recurring guest star Kate Mara) and Ridley Lange (recurring guest star Sophia Bush), she humiliates him by demanding an intervention with Ridley's nonplussed mother and Vanessa's outraged parents, who didn't even know that Vanessa is a lesbian.

Detective Cyrus Lupo (Jeremy Sisto) leaves terrorist regions to return to his own family terror at home. After four years abroad, Detective Lupo (Sisto) returns to the United States to find his brother committed suicide by lethal injection because of his incurable illness. Before the case is closed, another man is found dead, having killed himself in an identical fashion. Lieutenant Van Buren (S. Epatha Merkerson) permits Lupo to work the case alongside fellow Detective Ed Green (Jesse L. Martin). Lupo and Green are suspicious of a recent parolee formerly known as "Dr. Death," and through further investigation they are inclined to believe "Dr. Death's" daughter (guest star Marin Ireland) could be a follower of her father's work. Also starring: Sam Waterston, S. Epatha Merkerson, Linus Roache, and Alana De La Garza.