The TVLine-Up: TV Worth Watching This Thursday

On TV this Thursday: Parks and Rec‘s Leslie and Ben have an awkward dinner (thanks to Louis C.K.!), the Private Practice gang takes a trip to Seattle Grace, The Secret Circle tries to rescue a captured member and more. As a supplement to TVLine’s original features, here are eight programs to keep on your radar.

8 pm American Idol (Fox) | The Hollywood Round continues. Check out Michael Slezak’s up-to-date coverage and watch the latest episode of TVLine’s Idology.

8 pm The Big Bang Theory (CBS) | When an office at the university opens up, Sheldon must compete for it with his archenemy, Kripke; Amy’s gift makes Penny uncomfortable.

8:30 pm Parks and Recreation (NBC) | While trying to get an endorsement from the Chief of Police, Leslie and Ben awkwardly run into Leslie’s old flame (guest star Louis CK); Andy works on a theme song for Leslie’s campaign. (Check out photos!)

Vampire Diaries‘ Daniel Gillies on Elijah’s ‘Terrifying’ Fate and ‘Hell to Pay’ With Elena

9 pm Person of Interest (CBS) | Reese discovers there’s more to the story after he infiltrates a smuggling ring to get close to his latest POI. Annie Parisse and Susan Misner reprise their roles of Stanton and Jessica.

9 pm Grey’s Anatomy (ABC) | Crossover, Part 1: In a final attempt to save Erica’s life, Private Practice‘s Amelia arrives at Seattle Grace, begging Derek for help with a case; Cristina and Owen’s marriage counseling sessions get heated; Alex works on his bedside manner. (Check out photos!)

9 pm The Secret Circle (The CW) | Blackwell (played by Dr. Quinn: Medicine Woman‘s Joe Lando) shows up on Cassie’s doorstep, but before she can storm off, she is captured by Eben and his band of witch hunters. Jake offers to trade himself for Cassie’s freedom.

9:30 pm Up All Night (NBC) | It’s Reagan and Chris versus the airport when they travel with baby Amy for the first time; Ava agrees to be the minister for the wedding of her former band mate (guest star Alanis Morissette).

Exclusive Video: Look Who’s Back on The Office!

10 pm Private Practice (ABC) | Crossover, Part 2: Cooper and Charlotte take Erica to Grey’s Anatomy‘s Seattle Grace Hospital to meet with Derek, Lexie and Amelia regarding a very risky surgery; Sheldon warns Sam to be cautious as he deals with the return of his sister (Good Wife alum Anika Noni Rose). (Get scoop here!)

Morena Baccarin Teases ‘Intense’ Reunion With The Mentalist: ‘Erica Flynn Surprises Herself!’

Which of the above is must-see for you? Also, hit Comments to offer your own tune-in suggestions.