The Best Episodes Written By David Amann

Sam’s friend implores Sam and Eddie to track down and recover a $50 million painting that was stolen from his auction house. If he can’t get it back before the upcoming auction, his personal and professional reputation will be ruined. Meanwhile, Sam’s return to the dating scene tests her relationship with Eddie.

When a popular nightclub owner and one of Eddie’s old nemeses hires Eddie and Sam to track down his club’s missing DJ, Eddie balks. Meanwhile, Sam remembers her party days at the club and clashes with Eddie over the case. As they dig deeper, Sam and Eddie learn that the missing young man was kidnapped and soon realize his abduction may be part of a plan to ignite a mob war that only they can stop.

Jordan and Nigel are making a trip to the local Total-Mart, and end up with a dead door greater. When someone tries to steal the body the case takes an unusual turn.

When a John Doe comes into the morgue…Bug makes it a mission of his to find this mans identity. Dr. Macy sets out to try to prove murder or suicide when a cop turns up dead.

A woman is kidnapped…thirteen years later her body washes up in Boston. Jordan is convinced the killer is the husband…but the evidence does not support her theory. Meanwhile, Dr. Winslow had to identify a body at the morgue.

When a picture shows up for Dr. Macy he travels to Mexico to prove the identity of a killer. While in Boston Woody works the case from a different angle. When the investigation turns up a witness she is not willing to talk…will Jordan get her to open up in time?

Martin is swamped with guilt after a young boy is kidnapped shortly after he jogs by. The team tries to reassure Martin that his presence was a help rather than a hindrance as they search for the kidnapped child, but Sam's continued reluctance to admit to their relationship partnered with Martin's jealousy of her relationship with Jack only cause more problems.

Paige was last seen sneaking out of her office at the same time as an NYPD detective was asking her boss to direct him to Paige for a routine inquiry. To the team's surprise, the NYPD detective turns out to have been an imposter, causing them to question why Paige chose to run from this mystery man, what he wanted -- and if he caught up with her. Further investigation uncovers that the seemingly upstanding and socially conscious Paige was involved in a lucrative identity theft ring with close ties to a terrorist on a watch list who was recently seen in New York with her. Meanwhile, the remaining team members are gravely concerned about Vivian, who is undergoing open-heart surgery on that very day.

Jack goes missing after taking a case into his own hands which soon becomes intertwined with a human trafficking prostitution case that Vivian is working on.

A child prodigy turned store Santa vanishes and the team wonders if he had criminal connections.

A white-collar criminal goes missing on his way to testify against a former associate and the team must find out why.

When a controversial senior leader from Egypt comes to New York for a heart transplant, OA struggles to balance his personal opinion with his professional duty when he is assigned to the security detail.

After a Wall Street investor is murdered, the team is led to an insider-trading ring that uses unconventional methods to gain information. OA struggles to maintain confidence in his budding relationship with Mona.

A car crash results in the death of a photographer; Maggie sympathizes with his widow when she notices similarities with her own husband's death.

The son of a retired FBI agent is kidnapped, and the team must investigate if it's an act of revenge; Isobel must make a hard call when information from the past comes to light.

Jess LaCroix and his team come to help OA find a fugitive LaCroix arrested years ago after a bus with 26 students goes missing and he's the main suspect. The crossover continues on FBI: Most Wanted S01E09 Reveille (II).

When an ex-con is mysteriously slain in an alley, Castle and Beckett believe a vigilante is behind the murder. But efforts to identify their suspect are thwarted when they discover that he roams the city in a Superhero costume – and may indeed be a Superhero. Can they capture and unmask the killer before he strikes again?

Castle and Beckett investigate the apparent robbery-homicide of a New York cab driver, only to discover that the victim was involved in a mysterious conspiracy with unimaginable consequences. As the stakes continue to rise, hard-charging federal agent Mark Fallon takes over the investigation. Together, Fallon, Beckett and Castle must race to unmask the truth about the victim before it's too late.

After a businessman with a history of harassment claims against him is killed, the team suspects the killer may be one of his many accusers.

Picking up the morning after, Castle and Beckett now have to decide if they're a couple or was it just a onetime deal. But before they can tackle that, they must deal with those responsible for Kate's mother's death who are now a threat to Beckett.

When a beautiful woman is found dead in an alley, all clues point to her being a victim of the notorious Triple Killer. The Triple Killer, or 3XK, terrorized New York City four years ago, then mysteriously disappeared. Now he's back. In a deadly battle of wits, Castle and Beckett race against time to stop 3XK before he claims his next victims.

Castle and Beckett pursue a ruthless killer who, they discover, is part of a sinister, international conspiracy. Castle and Beckett are joined on the case by Sophia Conrad, a smart, sexy CIA operative who has a complicated past with Castle.

Beckett is recruited to assist on a Narcotics investigation, but a routine mission turns deadly when an undercover operation goes awry. To survive, Beckett must engage in a battle of wits against some of the most dangerous men in the New York underworld – including a powerful enemy from her past.

In the first of a two-episode story arc, Castle and Beckett begin a murder investigation that also exposes a plot to kidnap the daughter of a wealthy Middle Eastern businessman. FBI Agent Harris, an even-keeled professional is brought in to help find the kidnappers.

Ten months ago a young girl was kidnapped, now her suspected kidnapper turns up dead. Where is the girl? To everyone’s shock she turns up at the police department…but why?