The Jeffersonian team investigates the death of Colin Haynes, a struggling country music singer whose remains were found in a shallow grave. When the team learns about the victim's music career, it leads them to his record label, which, they discover, was deceitful in its dealings with him. Meanwhile, squintern Wendall Bray breaks his arm during a hockey game and Brennan takes a closer look at his injuries, only to discover some shocking news.

Bruce "Two Dogs" Bozsum, Chairman of Mohegan Sun, goes undercover in the gaming, hotel and entertainment destinations as he prepares to pass the business on to the next Chairman of his Native American Tribal Council. Bozsum learns the high-stakes role of slot attending and nearly runs out of gas as he retrieves cars from the valet.

Boyd has become a discipline problem at school, resisting sitting still in class and getting bored easily. When Kristin explains that the school counselor suggests he go on medicine for ADHD, both Ryan and Mike passionately disagree. Meanwhile, with some extra help, Mandy spends all of her time studying in an effort to get good grades for a change.

When Bennet starts slacking at work, Carrie tries to cover for him. However, when Larissa finds out, things backfire big time for them both. Samantha makes an uncharacteristic decision about her latest fling. Sebastian's father asks him for a favor that could change Sebastian's future forever. Meanwhile, Tom is hoodwinked by another - beautiful - lawyer when negotiating a deal, and is advised by the person he least expects.

Marty and Debbie are excited about their upcoming 25th high school reunion. Debbie has had quite a year since moving to Hidden Hills from Bayonne, but knows she will soon face her arch nemesis, the wealthy and beautiful Tina Giannulli. Likewise, Marty is excited his high school hair band, Motor Baut, has been asked to perform at the event, but his moment of glory is soon turned upside down in more than one way.

Tracy Lynn Allen was known as a free spirited and spunky gal - she worked as a care giver at a nursing home, liked to collect Indian art, and was a devoted mother to her two young daughters, ages three and six. Tracy had recently gotten out of a volatile marriage with Garland Allen, but after their divorce the two remained in close contact. One early evening, in May of 2001, Tracy went out, while her neighbor baby-sat for their two young daughters. Later that night Garland arrived at the neighbor's front door - he told her that Tracy was back at his house, and she had asked him to pick up their daughters. Garland then drove off with the girls, and dropped them off at his mother's house. He told his mom that Tracy had run away with another man and had left him with the young girls. A few days later Garland surrendered custody of his kids to his mom, and then left town. It has been over 12 years since Tracy's disappearance and no one has ever seen or heard from her again. They say the first 48 hours after a disappearance are the most crucial for police. The chances of finding the missing person drop dramatically after that. This case isn't cold - it's frozen. It will be one of the most difficult cases Kelly, Yolanda, and team has ever taken on - as they hope to help the tenacious Detective Bill Perkins from Altus PD, find out what truly happened to Tracy - and hopefully bring some answers and closure to her family.

The Pomrenkes hit pay dirt and bring in 10 POUNDS of gold. Recently fired Scott swallows his pride and asks Hank for his old job back, but can he last? On the tiny MINNOW, can hot-headed Kris keep the peace with arrogant Glen long enough to get the gold?

Internal Affairs questions Chin about his father's murder 15 years earlier and how his then-new relationship with Malia and her family might have hurt the investigation.

Virginia offers to give Sabrina some much-needed cooking lessons. But when Jimmy proclaims that his wife's casserole is better than his mom's, it brings out Virginia's competitive side and she enters herself and her daughter-in-law in the Hot Dish competition. To ease the tension, Burt also invites his mother to enter the contest.

Nick and Hank are called to the gruesome murder of a veteran working in home security. During their investigation, they discover this might be one of several revenge killings regarding a horrifying cover-up involving members of the army and military contractors. On the domestic front, Monroe accompanies Rosalee during her long overdue reunion with her mother and sister. In Europe, Adalind sees hints of what she thinks might be her powers returning.

A woman from Cordova, Alaska touts her mud mask made of hand harvested glacial mud from the Copper River Delta in Alaska; two men from Encino, California show off their powerstrips and surge protectors designed to blend in with hardwood floors; and a Wesley Chapel, Florida entrepreneur believes his creating fanciful balloon designs are among this week's bait for the Sharks. Will they invest? Plus, an update with the Cincinnati owners of Tom & Chee, a gourmet grilled cheese business in which Mark Cuban and Barbara Corcoran invested last season.

Parker hires yet another ex-Hoffman crew member while Todd grows more and more desperate. In the end, two crews get their biggest gold clean ups to date while the third faces an abrupt end to thier season.

When Randy questions his place in the Army after his marksmanship test, Derrick helps him embrace a new mindset in order to pass... but at what cost? Meanwhile, Pete and Jill compete in an unorthodox series of challenges to determine who the better soldier.

Grayson, who has something he wants to get off his chest about Mina, goes to war with the Order of the Dragon just as Harker becomes a member of the group; Lucy reveals a secret that damages her friendship with Mina, who's still recovering from her attack; Browning desperately searches for his children; and Lady Jane prepares to hunt the ultimate vampire.

The team have every hope that the virus is contained, but unfortunately it continues to spread at an alarming rate; at the same time, some of the secrets the docs are keeping prove to be deadly.

Glenn Greenwald, Jennifer Granholm, Steve Schmidt, James Carville, and (a very stoned) Mary Matalin.

Danny and Baez must track down a Marine veteran who Danny thinks is suffering from PTSD. Meanwhile, Frank is caught off-guard during a press conference by a woman who is seeking justice for her murdered daughter.

Spurned by Deva and Gordon, Carrie is forced to take up a new residence. With his leadership abilities questioned by rival George Hunter and the tribal council, Alex ramps up his efforts to recover the money stolen in the casino heist. Siobhan relives a nightmare when her ex-husband, Breece Connors, shows up looking to reconnect. Lucas is asked to return Proctor's favor.

Don Cheadle, Myq Kaplan, Roadkill Ghost Choir

Chelsea Handler, Bob Costas, Sharon Jones & the Dap-Kings

Chris Pine, Morena Baccarin

Rainbow Dash and her Ponyville team arrive in Rainbow Falls to fly in the qualifying round of the Equestria Games when it becomes apparent that the competition definitely has a hoof up on them. Then, when the elite Cloudsdale team offers Rainbow Dash a spot on their top notch squad, she's faced with making a tough decision about where her loyalties lie.

The monsters begin to borrow from Sqweep's allowance.

After Dr. C tampers with Sqweep's project, the alien receives a bad grade.

The second set of hopefuls audition with the judges only able to hear their voices and not see how they look. The judges have to select ten different acts during the course of the auditions that they would each like to mentor. If more than one judge are impressed by the same act then the act has to decide which judge they would like to be mentored by. Those hoping to impress tonight include Jamie Johnson, Mairead Conlon, Lewis Clay, Jimmy Weston, Kelsey-Beth Crossley, Bob Blakeley, Sophie May Williams and Miles Anthony.

A new locum doctor called Cal shows up for work and his skills are soon tested after a girl with kidney trouble is trapped in a crashed car hanging precariously off a bridge. Ethan discovers the truth about an art student whose sight has been endangered by some flying glass.

Jonathan is joined on the show by Russell Brand, Goldie Hawn, Dermot O'Leary and James Blunt.