NGTV Guide: Thursday, May 10

Community – NBC 8/7c
“Curriculum Unavailable” – Abed 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.

The Vampire Diaries – the CW 8/7c – SEASON FINALE
“The Departed” – Determined to protect his sister, Jeremy makes a decision that will change everything. In the harsh reality of the present situation, Elena longs for simpler times when her parents, Grayson (guest star Jason MacDonald) and Miranda (guest star Erin Beute), and Aunt Jenna (guest star Sara Canning) were still alive and her biggest concern was her relationship with Matt. Stefan and Damon leave Mystic Falls together on a mission, but soon split up when Elena needs one of them. Caroline and Tyler are forced to make a life-changing decision. Finally, Bonnie makes a secret deal that has heartbreaking consequences.

30 Rock – NBC 8:30/7:30c
“The Return of Avery Jessup” – Jack suspects Avery is hiding something when she is seemingly unmoved by news of his indiscretions. Meanwhile, Liz embraces her role as breadwinner much to Criss’s chagrin. Tracy and Kenneth try to help Jenna find a sponsor for her upcoming wedding.

Person of Interest – CBS 9/8c
“No Good Deed” – The newest POI’s curiosity could spell his doom when he finds himself embroiled in a dark government conspiracy – one that Finch is all too familiar with. Meanwhile, Reese uncovers something revealing about Finch’s past.

The Secret Circle – the CW 9/8c – SEASON FINALE
“Family” – After Faye is attacked by the Witch Hunters, Jake, Melissa and Adam set out to save her. Blackwell tells Cassie and Diana that the only way to stop the Witch Hunters is to use their Balcoin blood to unleash the Crystal Skull. Diana is reluctant, but Cassie convinces her it’s the only way to help their friend, but she’ll need to tap into her dark magic to do it. Meanwhile, Dawn and Charles are faced with a new way to get their power back…but at a very big cost.

Parks & Recreation – NBC 9:30/8:30c
“Win, Lose, or Draw” – It’s election day in Pawnee, and Leslie and Bobby Newport are separated by a razor-thin margin. While everyone waits with Leslie for the race to be called, they ponder their futures, and their new opportunities.

The Mentalist – CBS 10/9c
“Red Rover, Red Rover” – On the eighth anniversary of his wife and daughter’s death, Jane receives a message from Red John, causing Jane to lose focus on his current case and put the investigation and his career at the CBI in jeopardy.