The Ellen DeGeneres Show (4pm, NBC) - Watch 14-year-old Jake Foushee from Mebane wow Ellen with his deep-voiced impressions today. First, read more about Jake and his internet fame.
American Idol (8pm, Fox) - The contestants perform Queen songs and Queen members Brian May and Roger Taylor are special guests.
Nova: Secrets of the Sun (9pm, UNC-TV) - Examining the sun, which is 27 million degrees Fahrenheit at its core. Included, spacecraft- and Earth-based telescopes that enable scientists to glean information about how the sun works.
Don't Trust the B in Apartment 23 (9:30pm, ABC) - June lands a demanding internship on top of her job, and then must clean up a mess from one of Chloe's half-baked ideas. Meanwhile, James Van Der Beek is thrilled to be cast in a body-switching film opposite Kiernan Shipka, who plays Sally Draper on "Mad Men."
Revenge (10pm, ABC) - Emily uncovers the identity of her father's killer. Also, while Declan testifies in court, jeopardizing his romance with a fragile Charlotte.
Law & Order: SVU (10pm, NBC) - A reporter and a vigilante group criticize the police for not finding a rapist on the loose in West SoHo, and the detectives keep hitting dead ends until one of the vigilante members is assaulted.