A 4400 terrorist releases a signal at NTAC that makes the men violent, forcing a lockdown of the facility. Lilly questions how the Centre is handling her daughter, and Shawn…

The team investigates the puzzling death of a fellow officer’s daughter. Elsewhere, Captain Raydor advances in her meticulous audit of Brenda’s unit and begins to sharpen focus on Detective Sanchez.

The CSIs investigate the case of a man boiled alive, Julia spirals out of control, and one of the team’s darkest secrets comes to light.

When pirates take over a luxury yacht, Delko’s future as a CSI is threatened just as his relationship with Calleigh moves to the next level.

Gina decides to sue Felice for $1.1 million for the money her mother misspent and “”pain and suffering.”” Donna, torn apart by her family’s bickering, runs crying to Noah. She…

Kelly and Dylan agree to go to Mexico and obtain medication for Lauren. Kelly has second thoughts about their mission. She sleeps with Dylan, then decides that she doesn’t want…

When Lynette’s father-in-law pays a visit to to the family, she unwittingly learns a family secret. Meanwhile, Susan is disturbed by Julie’s growing romance with Zach. Rex attempts to reconcile…

Lt. Columbo delves into the world of magic, ESP and slight of hand as he investigates the death of a magician, and there appears to be a tie to a…

During a near-death experience, B’Elanna finds herself aboard the Klingon Death Barge, a spectral vessel which transports dishonoured souls to Grethnor. After seeing her mother there, B’Elanna risks her life…

Jake, reporting from the front lines, sees what war truly is.

Kara Thrace seeks her own path in the search for Earth while the Cylons face the threat of sentient Centurions. A member of Galactica’s crew learns a dark secret about…