NGTV Guide: Thursday, January 21

The Vampire Diaries – the CW 8/7c
“Bloodlines” – Damon takes a trip to Georgia, where he surprises an old flame, Bree (guest star Gina Torres, “Eli Stone”) and enlists her help to figure out how to open the tomb. In the process, Damon comes face to face with someone who is determined to make him pay for past wrongs. Stefan opens up to Grams (guest star Jasmine Guy) in his effort to help Bonnie overcome her fears and accept her powers. While researching his history paper in the public library, Jeremy meets a cute-but-geeky girl named Anna (guest star Malese Jow, “Hannah Montana”) who has her own theories on the folklore of Mystic Falls. When Damon returns from Georgia, Stefan is waiting with news that will change their world.

Community – NBC 8/7c
“Interpretive Dance” – The gang discovers that Jeff  has a new girlfriend but he is determined to keep his affair a secret. Meanwhile, Troy and Britta have secrets of their own and decide to share it with their friends.

Supernatural – the CW 9/8c
“Sam, Interrupted” – A former hunter named Martin, who is currently institutionalized, calls Sam and Dean for help investigating a case in the mental hospital. The brothers get themselves admitted as patients to check out the mysterious monster that is attacking the patients, but their incarceration pushes both to the breaking point as they unleash their inner demons against each other.

Bones – FOX 8/7c
“The Proof in the Pudding” – Mr. White (guest star Richard T. Jones) and his team of government agents put the Jeffersonian Lab on lock down and demand that Brennan and her forensics team determine a cause of death for an unidentified, but highly classified set of remains. As the team gets to work, their findings lead them to suspect they are investigating one of the most famous presidential assassinations in history. Meanwhile, Booth’s boss, Andrew Hacker (guest star Diedrich Bader), helps him break into the lab and determine the motive behind the mystery investigation, and a frustrated Cam worries that Michelle may be keeping a big secret from her.

Fringe – FOX 9/8c
“What Lies Below” – When a man enters an office in Boston for a meeting, he becomes disoriented and collapses, only to have his veins erupt and spray blood everywhere. Shortly after Olivia and Peter arrive at the scene to investigate the bizarre case, it’s discovered that a lethal virus with deep ties to something very valuable is spreading, so the CDC moves in to quarantine the building and eradicate the pathogens. Isolated inside with the rest of the exposed office employees, Peter and Olivia face life-threatening circumstances, sending Walter, Broyles and Astrid on a frantic search for a solution to save them.

30 Rock – NBC 9:30/8:30c
“Winter Madness” – When Liz Lemon decides to take the TGS show on the road to cure a case of the winter blues for the staff, the anticipated trip doesn’t exactly go as planned. Jack Donaghy chooses the destination and travels with the show for his own interest, and while away from New York, the TGS crew blames Liz for all of their misfortunes.

The Mentalist – CBS 10/9c
“Bleeding Heart” – Patrick Jane and the team investigate the murder of a mayor’s aide, and Rigsby and Van Pelt make a big announcement.