When one policeman kills another, the CSIs must determine if the shooting was premeditated or an accident.

(Originally Aired: Thursday Oct 15, 2009)

Authorities must determine whether the death of a preacher’s wife was murder or suicide.

(Originally Aired: Saturday Oct 30, 2010)

A woman reveals a preacher’s dark, murderous secrets.

(Originally Aired: Saturday Oct 30, 2010)

(Originally Aired: Saturday Oct 30, 2010)

To celebrate his favorite holiday, the green ogre invites his friends to spend Halloween night in Lord Farquaad’s haunted castle telling scary stories.

When mutant pumpkins try to take over Earth on Halloween, the monsters must combat the gourds and try to end their wicked scheme.

Winters and Jaruszalski question multiple suspects when a murderous cult member is stabbed to death; the case hits close to home for Winters when his wife (Teri Polo), a former detective, is questioned.

(Originally Aired: Wednesday Oct 06, 2010)

Detectives Benson and Stabler investigate when a 10-year-old girl goes missing.

(Originally Aired: Wednesday Sep 22, 2010)

Host Jon Hamm; Rihanna performs.

(Originally Aired: Saturday Oct 30, 2010)

The Romulans brainwash Geordi as part of a plot to drive a wedge between the Federation and the Klingon Empire.

(Originally Aired: Monday May 27, 1991)

Previously spurned by Troi’s mother (Majel Barrett), a Ferengi kidnaps her, Troi and Riker.

(Originally Aired: Monday May 28, 1990)

(Originally Aired: Saturday Oct 30, 2010)

An electronic game causes physical addiction among its players.

(Originally Aired: Monday Oct 28, 1991)