American Idol (8pm, Fox) - Hold your breath, McCreerians: Someone goes home tonight. But first, performances from Il Volo, Nicole Scherzinger and 50 Cent.
Big Bang Theory (8pm, CBS) - In the fourth season finale, Raj moves in with Sheldon when Leonard and Priya's "Star Trek" bedroom fantasy is too much for him.
The Office (9pm, NBC) - In the Season 7 finale, Jim takes the lead on a committee interviewing potential candidates for the branch manager job. The hopefuls include Andy, Darryl, and Dwight, but also candidates played by Jim Carrey, Will Arnett, Ricky Gervais, Catherine Tate, James Spader, Warren Buffett, and Ray Romano.
The Mentalist (9pm, CBS) - CBS has back-to-back episodes tonight to end the show's third season. In the episodes, a CBI mole is discovered and Patrick Jane finally confronts Red John face-to-face.
Grey's Anatomy (9pm, ABC) - In the seventh season finale, Meredith's deceit in Derek's clinical trial comes to light, jeopardizing her career and causing unintended consequences for others. Also, Owen announces his choice for chief resident.
Bones (9pm, Fox) - A bowler's remains are found in an automatic pinsetter in the Season 6 finale, and Booth goes undercover to fill an injured Max's spot on the victim's team to gather clues and suspects.
Parks and Recreation (10pm, NBC) - Two new episodes tonight mark the end of Season 3. In the final episode, Leslie organizes a memorial service or a dearly departed friend and Chris deals with a health problem.
Private Practice (10pm, ABC) - Season 4 ends with Oceanside Wellness facing an existential crisis as a result of its vulnerabilities. Whatever that means. More importantly, Addison has a new admirer, how is played by Benjamin Bratt.