Four New York City cops are dead, killed in an ambush that has the entire police department on alert and on edge. With a cop killer on the loose and so much riding on the case, Chief of Manhattan Detectives Francis Tierney, Sr. asks his son...

A convicted criminal breaks out of jail, with thoughts of revenge, making Don face his past.

Melinda helps a family who are in distress after a bizarre accident. Meanwhile, Delia wishes she was still a skeptic after she experiences her first ghost.

A young Earl gets his heart broken by the babysitter and swears revenge on her and her boyfriend. Now, Earl is older and wiser, so he decides to cross them off his list, but it may have terrible repercussions for Randy. Meanwhile, Joy loses...

Jenna thinks Liz is only attracted to a guy because she wants a child, while Jack helps Tracy and his wife Angie develop a "post-nup" and helps get Jenna an audition to play Janis Joplin.

Betty finds it hard to impress her idol, Jodie Papadakis who is an editor at YETI, while making a mess of her work and family life. Betty has a disastrous encounter with the assistant at ELLE magazine.

Megan finally confronts her mother without any sugarcoating about how she really feels about being abandoned. Meanwhile, Sage and Rose plan a charity event for Cuban refugees as an excuse for Sage to spend more time with Luis. Also, Charlie...

J.D. and Turk’s evening of comforting a dying patient causes them to miss their steak-night tradition. Elsewhere, Dr. Maddox’s true character is revealed.

Dr. Maddox, Kelso’s replacement, makes a few changes around the hospital. Meanwhile, the new incompetent interns have J.D. frustrated, and Elliot tries to get a handle of her ego.

Annie overhears as Sean holds a suspicious conversation over the phone, raising uncertainty about whether he really is who he claims to be. Meanwhile, Brenda reveals a secret to Kelly, Christina makes a startling revelation to Dixon, and Ad...

The NCIS team must reveal the truth behind the murder of a jail guard which resulted in a prison riot and McGee being held captive by the inmates.

Spiraling into a dark obsession with the number 23, Walter Sparrow twists his once idyllic life into an inferno of psychological torture that could possibly lead to his death as well as the deaths of his loved ones. Spurred on by a mysterio...

Assisted by their friends, Ben and Amy marry in secret. Meanwhile, Tom asserts his independence after meeting a new girl.

Peyton shares some startling news with Lucas, who discovers that Julian has been keeping another secret about the movie. While searching for runaway Sam, Brooke is forced to confront her lingering feelings over her attack. Nathan struggles ...

Because Chuck is MIA since his father’s funeral, his Uncle Jack arrives on the Upper East Side to find and help him. Trying to forget her last conversation with Chuck, Blair focuses on being accepted into the most prestigious ladies...