It's Valentine's Day, and the TGS crew is celebrating by pulling an all nighter to put together a new episode. While Pete completely forgets the holiday, Kenneth and Cerie may be starting an office romance. Meanwhile, Liz wonders if Dennis is back in her life after she receives flowers from a secret admirer and newly divorced Jack wants to party with Tracy, who for once wants to spend a night alone with his wife instead.
Dawn catches a Pachirisu but quickly discovers the cute Pokémon may be too feisty to control. Seeing this, Dawn questions her competence as a trainer. Meanwhile, Team Rocket also wants Pachirisu as they try to lure it with food in order to capture it.
After the shock revelation about Chantelle's pregnancy, the guests can find little else to talk about.Martin and Kate take a trip into the resort centre, where they have a traumatising experience.
Grissom returns from his sabbatical; Keppler is put into a compromising position when the bodies of a Trenton police officer and a hooker are found in a hotel room. The man who found them is a retired New Jersey cop and close friend to Keppler, who doesn't reveal their relationship.
Jack has the Others in a desperate situation as he holds Ben's life in his hands. Meanwhile, Kate and Sawyer try to escape from their captors. Flashbacks reveal Juliet's past as a medical researcher in Miami.
A class assignment reveals the deepest secrets and desires of Lucas and the students at Tree Hill High. Worried about college prospects, Skills turns to Haley, while Nathan wrestles with Deb's suicide attempt. Chase learns that Brooke cheated on her calculus exam, while nudity and drugs run rampant in the halls of the school.
In this conclusion of a special two-part episode, finding the serial killer becomes critical to the BAU when the team realizes Reid is being held captive and a live feed of him being tortured is shown on the internet. Meanwhile, Reid's troubled childhood is revealed in flashback sequences as he drifts in and out of consciousness.
The Lopez home and George's new media room suddenly become a bit more full when their niece, Veronica, and her freeloading boyfriend move in.
The final three teams get down and dirty at a farm where they must work with animals. Two teams face elimination, one team is eliminated, and the final two teams are revealed.
Reed Garret gives Mac some interesting information regarding the death of a college student. Also the rest of the team will need to be a step ahead of Ava Brandt to figure out why a security guard was murdered.
Brennan has to work with another agent while Booth needs to see a therapist. The duo investigate the death of a college freshman, who took part in a 'Girls Gone Wild' type of video.
The Panthers savor their crucial playoff-win-until race issues emerge and sorely test their bond after Mac makes racial statements.Tami frowns upon Julie's newfound friendship with Tyra. The girls play a powder-puff football game.
Arliss Howard reprises his role as Texas Ranger Kenneth Push, who returns to Allison's life when he experiences unnerving visions about a Phoenix-based slaying. Meanwhile, Joe tells a little white lie---and suffers the consequences.
After catching an international arms dealer, the NCIS team learn that the Navy's highly classified weapons system will be sold to arms dealer La Grenouille. To stop the transaction, the team send Ducky undercover.
To catch a predator shows us the investigations carried out using the hidden camera from Dateline NBC.
Veronica is hired to find out who slipped a classmate a drug causing her to have a miscarriage against her will, but is distracted by Logan who admits to sleeping with Madison Sinclair. Meanwhile, Keith helps Mindy O'Dell when her ex-husband breaks into their house.
The mission is to take control of a South Korean submarine to assist in the defection of a North Korean Scientist. The team find themselves confronted by several roadblocks. On the submarine, the South Korean Captain does not want to take orders from Jonas. On the home front, Kim has a dream that shares many similarities to the current mission. Ryan thinks that Bob told Kim about the mission and threatens to scrap the mission and wants to fire Bob.
During a family emergency, Lorelai can't reach Christopher. Meanwhile, Logan and Luke drop everything to support Rory, Lorelai, Richard and Emily.
The team is sent into Iran to set up a system that can detect Weapons of Mass Destruction. The mission goes off kilter when civilians become involved.On the home front, Tiffy runs into a dilemma while doing her community service. Molly and Kim are helping Jeremy and are confused by Crystal's behaviors. Mack finds himself in trouble.