NCIS

The team tries to replace Ziva.

The death of a Marine.

A blogger turns up dead.

A Marine's body surfaces.

Joke-loving Marine is found dead.

Two mercenaries are found dead.

The team helps Vance face his demons.

Citywide blackout.

Team investigates the death of a Marine.

Gibbs' father visits for the holidays.

A Navy pilot is found dead.

Gibbs questions DiNozzo's ability.

An assassin targets a key witness.

Terrorists threaten to detonate a bomb.

Busting an illegal trucking operation.

Gibbs' former mother-in-law.

Investigation into a Marine's shooting.

The award-winning action-drama series, `NCIS', continues with 24 more episodes in season seven. This season sees Leroy Gibbs, Anthony DiNozzo, Ziva David, Abigail Sciuto and Timothy McGee investigate the murders of three guests at a bachelor party.

Officer's death links to a prostitute.

A specialist's job leads to murder.

A murder victim's sister goes missing.

Investigating a Marine's murder.

Gibbs investigates a colleague's murder.

A Mexican drug cartel seeks revenge.