Caroline and Max spend Caroline's first broke holiday season working at a department store's Santaland to earn extra money.

A sniper on a killing spree is terrorizing New York City. With the clock ticking down to the next murder and nothing to go on except a killer with no apparent motive but to instill terror, this could prove the team's toughest case yet. The hunt is made even more complicated when Beckett begins to experience increasingly strong moments of PTSD - moments she tries hard to hide from Castle and the detectives.

Noticing that Zoe is feeling homesick, Lavon suggests that she host his annual pre-game homecoming party to help her feel more connected to Bluebell. Zoe jumps at the opportunity and decides to enlist the help of her friend Gigi from New York, but as it turns out New York and Bluebell have very different ideas of what makes a good party. Meanwhile, George and Wade hatch a plan to get even with their high school nemesis, Jimmy, but when Lemon catches wind of their scheme she wants in on the action, too.

Dave welcomes actor Ty Burrell, CBS News' Gayle King, and musical guest Needtobreath. Andy hangs out with the guys from American Pickers. Top Ten Other Articles In The Al Qaeda Magazine. What does the "Modern Family" star's family think about him being named one of People's Sexiest Men? The star of CBS' new morning show talks about her new co-star and her old friend Oprah.

When Pops is humiliated by a bunch of rappers, Mordecai and Rigby attempt to teach him to rap instead of recite poetry.

Robin Williams, Johnny Galecki