On TV the week of December 31st, 2012

A murderous attack in Park Slope, Brooklyn, leaves Sylvia Lugo dead and her girlfriend, Amanda Leach, raped and shot in the leg. Police struggle to pin down an assailant without any hard evidence, resulting in Leach being pegged as the prime suspect.

When the ex-addict son of a federal judge is murdered, Wes and Travis have to work through their differences to track down the killer and put the right man behind bars.

Abed (Danny Pudi) becomes convinced that there is a conspiracy afoot and that Dean Pelton is an imposter. When Abed is apprehended sneaking around on campus, he is required to see a therapist, Dr. Heidi (guest star John Hodgman, "The Daily Show"), or risk being sent to jail.

Metta World Peace, Matt Walsh.

Piers Morgan, Ben Falcone.

Joel McHale, Nina Dobrev.

Tom Selleck, Zosia Mamet.

Over the next decade, the United States, Japan, India, China, Russia, and even private companies, are planning to send spacecraft to explore the moon. These missions are looking for resources that may one day allow humans to settle permanently in space.

A hurricane blows into town, so that means it's time for a hurricane party at Jules' house. But there's more than one storm brewing, as Travis wants to make a play for Laurie, now that she's broken up her Skype romance with soldier Wade (guest star Edwin Hodge), and Jules is determined to keep them apart.

Rossi leads the BAU in presenting one of his longest tenured cases to a class of college students who are learning about profiling. Through this lecture, Rossi tells the story of an UnSub who was a victim of constant physical and emotional abuse throughout his childhood. After becoming an adult, he began to kill women and remove their wombs. Rossi chases the UnSub up and down the west coast over the course of nearly twenty years, and in the process he shows the class how far the science of criminal profiling has come

The CSI team investigates three dead bodies just blocks away from a campaign dinner, they think they know who the killer is before making a shocking discovery.

Mac gets shot while investigating a series of bank robberies perpetrated by old men trying to pay for their retirement. As he fights for his life, Mac has "conversations" with the people in his past and present.

In the two-hour finale, Trip begs Bree to tell him what really happened the night of Alejandro's murder as it looks like she's about to be convicted.

In the two-hour finale, Trip begs Bree to tell him what really happened the night of Alejandro's murder as it looks like she's about to be convicted.