The Human Spark (8pm, UNC-TV) - Alan Alda (right) hosts a three-part series that explores what makes us humans different from other species. Alda makes a trip to the North Carolina Zoo and interviews Duke Anthropologist Brian Hare. Immediately following tonight's episode, check out the UNC-TV original production, "North Carolina Scientists Explore the Human Spark." Read more about both shows here.
I Get That A Lot (8pm, CBS) - Celebrities work at everyday jobs just to freak out us regular people. For instance, Paris Hilton works at a gas station, Snoop Dogg is a parking lot attendant, and Julie Chen does time in a yogurt shop.
Modern Family (9pm, ABC) - Ah, yes. This is must-see TV: Benjamin Bratt (left) guest stars as Gloria's ex-husband and Manny's infamously unreliable dad. We'll finally see where little Manny gets his swagger. Also, Phil suffers from kidney stones and Mitchell and Cameron try to sleep-train Lily.
Cougar Town (9:30pm, ABC) - It's a sort of "Friends" reunion with Lisa Kudrow guest starring tonight a dermatologist visited by Ellie and Jules (Courteney Cox). Also, Travis begins working for Barbara.
Nip/Tuck (10pm, FX) - The show's seventh (and final) season begins, and the doctors are honored by their alma mater, The University of Miami. They also treat a man whose genetic disorder has led to self-mutilation.
Law & Order (8pm, NBC) - The disfigured body of a campaign workers is found with the word "FED" scrawled across his chest. Benjamin Bratt (left), who played Det. Rey Curtis from 1995 to 1999, returns tonight for one episode.
According to the Hollywood Reporter, A&E has lowered the ax on "The Cleaner," the drama starring Benjamin Bratt.

