Sean tries unusual methods to cure his insomnia; Christian and Kimber go into business together; Liz confronts Christian, and gives Kimber some unsolicited advice.

Inspired the by the students, Will composes a mash-up for a very special occasion. Meanwhile, in a shocking reversal of roles, McKinley High’s cool kids are dethroned in an “icy” fashion, and Sue shows off her softer side in the “Mash-Up” episode of GLEE.

When the radio station’s sportscaster is arrested, Sasha needs to replace him and give Gary his radio debut. Meanwhile, Louise makes a video of well-wishes for Uncle Mitch and his Marine Corp. unit as a part of her schools volunteer week.

After Eva Banks (guest star Rosie Perez) makes a shocking discovery about her son, Cory’s (guest star Cruz Santiago) behavior at school, she takes him to the doctor, only to find out that he has been the victim of sexual abuse. Detectives Benson and Stabler come onto the scene and question the victim and his family. From the boy’s frightened reaction when his stepfather, Thomas Banks (guest star Jim True-Frost), silences the investigation, it is clear to everyone in the room who the real perpetrator is. Detective Benson and Stabler are about to arrest the suspect when Thomas agrees to give up the leader of the largest pro child-adult relationship civil rights group in exchange for amnesty.

Kat fulfills a fantasy; Mia and Roxie find themselves in an embarrassing predicament; Joanna’s rush to print a story gets her into trouble

The team hunts a suspect who impregnates young women, has them give birth and murders them.

On Halloween, Adrianna tries to deal with the end of her relationship with Navid; Silver and Kelly disagree about caring for Jackie; Silver discovers she has more in common with Teddy; Naomi and Jamie have an intimate conversation.

Since The League has SAMCRO members behind bars, the club must make new alliances in prison to survive.

Will and Alicia only have 72 hours to find the evidence that will prove the train company is responsible for the crash, and not the engineers. If they manage to prove it, the widows get their pensions back. Meanwhile, Jackie and Alicia clash when taking the kids to visit their dad, who’s in prison.

When a Marine known for his practical jokes is found dead on Halloween Eve, the NCIS team discovers that the victim’s “good-natured” pranks may have inspired ghoulish retribution. Meanwhile, Ziva tries to adjust to her new role on the team.