The Voice (8pm, NBC) - The battle round opens with team members dueling in duets and the coaches enlisting help from star advisors Billie Joe Armstrong, Mary J. Blige, Michael Buble and Rob Thomas.
Bones (8pm, Fox) - The team's investigation of the death of an animal-expo worker leads them into the shady market for illegal animal trading.
Secret Service Files (8pm, National Geographic Channel) - From President Clinton's diplomatic visit to Pakistan in 2000 to a live grenade launched at President Bush in 2005, Secret Service agents discuss the challenges of protecting the President.

90210 (8pm, CW) - In the Season 5 opener, Naomi and Max land in jail after plans go awry. Also, Liam puts the Offshore on the market in order to pay off Vanessa, and receives an offer from Navid.
Gossip Girl (9pm, CW) - In the sixth season premiere, Blair and Chuck part ways after making each other a promise. Meanwhile, Georgina assists Dan with his tell-all book and the gang rallies together to locate a missing Serena (Blake Lively, right).
Major Crimes (9pm, TNT) - This "Closer" spinoff grows on me more and more each week. Tonight, fuzzy facts and cloudy clues mark an investigation when a man from Las Vegas is found dead. Meanwhile, Rusty and Raydor question whether they can trust Rusty's father. (I'm way more invested in this Rusty storyline than I ever thought I would be.)
Mike & Molly (9:30pm, CBS) - Molly gets upset when she reviews her wedding photos because in every picture, Mike's mouth is open or his eyes are closed.
Castle (10pm, ABC) - Castle and Beckett look into the auction of a storage unit, which may be tied to a woman's murder, and soon they find themselves mingling with both treasure hunters and socialites.
How I Met Your Mother (8pm, CBS) - Barney's (Neil Patrick Harris, left) extensive and comprehensive pre-nup leads the guys to put forth their own relationship principles, which their significant others do not find agreeable. Meanwhile, an incensed Quinn (Becki Newton, left) responds with her own prenup.
Bones (8pm, Fox) - The eighth season begins three months after Brennan (Emily Deschanel) went on the run from the FBI, but Booth (David Boreanaz) and the Jeffersonian team are doing everything they can to prove that she was framed for murder by diabolical genius, Christopher Pelant. Their case gets a boost from an anonymous tip that leads to the discovery of a high school guidance counselor's remains.
How I Met Your Mother (8pm, CBS) - The seventh season ends with Lily going into labor while Marshall is partying in Atlantic City. Later in the one-hour finale, action jumps to the future as the gang gather for Barney's wedding and reminisce about how they emboldened Ted to find his true love and track down the one that got away.
Hart of Dixie (9pm, CW) - Scotty McCreery makes an appearance on tonight's episode, but there's no acting involved -- he'll be playing himself. The "American Idol" winner from Garner will perform his hit "The Trouble With Girls" during a romantic scene in a bar featuring Zoe (Rachel Bilson) and George (Scott Porter). Raleigh's Tift Merritt had a 
Bones (8pm, Fox) - Booth (David Boreanaz, left) and Brennan get help from Special Agent Genny Shaw in identifying the remains of an extreme couponer whose body was dragged by an 18-wheeler. Meanwhile, Brennan returns to work after having her baby.
American Masters: Margaret Mitchell (9pm, UNC-TV) - "Margaret Mitchell: American Rebel" profiles the author who blazed trails as one of Georgia's first female newspaper reporters and the author of "Gone with the Wind." Mitchell (left) funded the education of the South's first black doctors with her "Gone with the Wind" money. Includes reenactments based on her letters and remarks by friend Sara Mitchell Parsons and prominent authors such as Pat Conroy and Pearl Cleage. At 10 p.m., a second episode of "American Masters" will focus on Harper Lee, whose childhood in Monroe, Alabama, provided the inspiration for her classic 1960 novel, "To Kill a Mockingbird." (Photo courtesy of the Atlanta History Center)
You can see it in the easy bromance between Geoff Stults and Michael Clarke Duncan. You can see it in the assortment of oddball Florida swamp characters. You can tell by the fact that suddenly you're being treated to a John Fogerty jam. "The Finder" (Fox, 9 tonight) has potential.
Bones (9pm, Fox) - The team discovers the death of a storm chaser may not have been caused by the tornado he ws following. Meanwhile, Booth becomes very protective of Brennan at home and at work.