Genetics drive the murder of a doctor and the subsequent investigation.

When a half-naked woman is found covered in caramel sauce and hanging by bondage cuffs in a public park, Castle and Beckett’s investigation takes them into New York’s underground world…

A bowling tournament is disrupted when an important piece of evidence is uncovered, leading the CSIs to investigate a murder at the same bowling alley.

Catherine takes the point in the investigation of an escalating series of peeping tom incidents. The crew is racing to stop the attacker before his crimes become more serious assaults….

The team investigates the puzzling death of a woman named Elaine Steele. To solve the case, the team must look for a life size silicone doll. When the team runs…

Jack enlists the help of an autistic man in the search for Gredenko, and Sandra Palmer makes a fateful decision.

Don attempts to track down a friend, Joan tries to solve a problem with an account and an unlikely person sets up Peggy.

Noel tires of hearing about Felicity’s goings-on with Ben and forbids her to talk about it with him. Julie and Zack’s relationship intensifies. Elena reveals she may be leaving school….

Noel tires of hearing about Felicity’s goings-on with Ben and forbids her to talk about it with him. Julie and Zack’s relationship intensifies. Elena reveals she may be leaving school….

After Felicity and Ben are held up, he seems especially spooked and calls on her for late-night chats, one of which includes an invitation to a Halloween party.

Ben is accused of cheating after Felicity rewrites his paper without telling him; and Julie fears she won’t understand a Russian film that Zack is taking her to see.

After Noel acts on his feelings for Felicity and kisses her during a game of Boggle, the two decide to go on a “maybe date” to discuss the future of…

Addison performs a complex utero surgery, proving not only her talents to her father but giving them some common ground. Sam and Naomi deal with have a family crisis when…

Jane and the FBI investigate the murder of a high-tech cartographer who may have unearthed a spy ring before his death. Meanwhile, Rigsby and Van Pelt find themselves on the…

When five members of the West Coast Mafia are shot down in a barbershop, Monk is pressured by mob godfather Salvatore Lucarelli and his nephew “”Fat Tony”” to solve the…

Liv’s newest corpse is a sociopathic hitman, and she’s apathetically shocked to discover that she no longer feels emotions. Meanwhile, Marcy turns up as a full zombie and Ravi hopes…