Team Scorpion try to save a boy on Christmas Eve when he gets trapped in a beach-side cave and the rising tide threatens to drown him.
The CSI team is brought in to investigate a reality cooking show when contestants accidentally eat human flesh during a competition.
Ichabod and Abbie are called in to investigate the case of an unidentified boy who has turned up in town. As they investigate his background, they discover a surprising mystery.
The team is called in to investigate when an up-and-coming singer is beaten by her hip-hop star boyfriend, but find it increasingly difficult to protect her when she forgives him and allows him back into her life.moreless
Mac and his team try to get to the bottom of the murder of a successful businessman who still felt the pull of his old neighbourhood by going to a Brooklyn housing project and speaking to the victim's old friends and neighbours.moreless
Pete inadvertently activates an artifact that creates an alternate reality where he never existed. To restore reality as he knows it, Pete must track down his friends, who have new lives and no memory of him.moreless
Everyone becomes a suspect when a lottery winner is viciously murdered.
Castle and Beckett investigate the murder of a woman found frozen and tangled in steel bars at a construction site. The case leads them to looking into an old case and also has Beckett thinking about some memories from her past.moreless
Nick takes a job at the law firm of Walter and McNeil. Burton thinks his son made a mistake by taking the new job.
Lulu gives premature birth to a baby girl. She also decides to work part-time at legal services of Pittsburgh to take care of the baby.
Alvin tries to stop the execution of Taliek Allen because of new evidence that Alvin's client suffered brain damage when he was attacked. Alvin asks Nick for help and tries to get the execution stopped.
Lulu decides to have full custody of the baby and give the baby her last name not Nick's. She also steps down as head of Legal Services in Pittsburgh to work reduced hours and spend more time with the baby.
Alvin is angry because of what Nick told his client regarding his chances for a clemency hearing.
Nick learns that Burton has stepped down from his firm to be a grandfather to the baby. Nick also leaves his job at the firm of Walter and McNeil.
Nick and Lulu split up, but he promises to be there for the baby. Lulu names the baby 'Ann' after Nick's mother.
Because of his illness, Alvin quits. He says he's going to go to Antartica , but is that his real intention?
Nick steps in to for Alvin at an important 'State funding' meeting. He's decided to take up Alvin's earlier offer and become Lulu's replacement.moreless