Substantial debt leads Christian to deception, but the doc also bonds with a young patient when he learns that the youngster was adopted. And an unexpected visitor stirs Christian’s insecurities but brings joy to Sean

As a consequence of a 911 call, Mac and the team find themselves in a vacant penthouse. However, they discover something else that takes the case into a different direction. Now they have to not only find the caller but also solve the mystery of an unearthed 100 year old corpse as they navigate their way through a booby-trapped house.

A wealthy man (Scott Foley) has an ulterior motive in his search for an expensive home; Ellie tests her trust of Andy by leaving their baby with him for a day.

Fin’s investigation into three little girl’s deaths takes him into the world of immigration, anchor babies, a grassroots opposition movement, a radio talk show host who fans the hatred, and an immigration rights attorney who is somehow tied up in everything.

When Hotchner takes a leave of absence from the BAU, the team must regroup to solve a home invasion.

Claire and Phil threaten to take away Christmas when the kids get in trouble; Cameron and Mitchell take Lily to get her first picture with Santa.

Frankie rehearses for a choir solo for her church’s Christmas midnight mass, and Mike’s handling of the family yuletide preparations makes her jealous. Meanwhile, Brick has a problem, and Frankie and Mike try to help him overcome it and get into the holiday spirit

Life’s a battle zone for Veronica: She copes with haunting postwar stress and attends a veteran support group, her marriage continues to collapse, and her father falls victim to Alzheimer’s disease. Meanwhile, Sonia bonds with a young mother struggling with a weighty decision; and Chloe gets saddled with the most demanding of patients—a doctor. Jason Ritter guest stars.

Sasha wonders whether dating a married man is worth the hassle, after Allison gets in the way on their date.

Christine finds out that Ritchie has been bullying other kids at school. Hoping to set a good example, she decides to apologize to the woman she used to terrorize at school.

Quinn’s secret unravels as the sectionals approach, threatening club cohesion at the worst possible time. Meanwhile, Sue’s scheming continues apace (and then some); and Will ponders an important decision as Emma and Ken’s wedding nears. Grace Hitchens: Eve.

Julie and Matt go to a concert and end up making a decision about their relationship. Elsewhere, Riggins and Lyla reunite; Vince uncovers a new talent; and Eric tries to devise a game plan for facing a tough team

A young man gets involved with a dangerous operation in an effort to rescue his girlfriend who’s been brought to this country to work as an indentured servant…

An amnesiac is the key witness to an art dealer’s murder, but can’t recall what happened. Castle and Beckett’s probe hits another snag when they discover a bullet is missing from the crime scene.

Sheldon attempts to help Penny understand Leonard’s work, and Wolowitz becomes jealous when Leonard starts hanging out with his new girlfriend.

Charlie discovers a secret that Chelsea’s been keeping from him regarding her finances.

Nathan and Haley get ready to move, while Clay tries to get Nathan to rehire him as his agent. Elsewhere, Brooke disapproves of how Julian responded to Alex’s crisis; Mouth and Millicent reach a turning point; and Dan makes a surprising announcement.

Billie and Zack take parenting classes separately because of schedule conflicts and realize how little they know about being parents.

When a perfect girl finally shows up, the gang tries everything to help Ted, while Marshall takes action when he discovers a letter written by younger himself.

A year after his father’s death, Chuck deals with an issue from the past, and another car accident occurs on the Upper East side. Meanwhile, Dan and Vanessa face the new complexities in their friendship; and Jenny gets accused of assaulting a classmate