Elena and Clay deal with their growing sexual tension as they work together to figure out the who and why behind the plot to turn psychotic killers into werewolves.
Emma Willis and Marvin Humes present the fourth round of blind auditions.
Rita helps a rape victim gain the courage to press charges, while Zoe treats an eccentric ex-Tiller girl who must tell the truth about the daughter she put up for adoption.
Forensic geologist Scott Wolter investigates artifacts featuring ancient Hebrew writing. Could they be tied to the Lost Tribes of Israel, who disappeared from the Bible in 722 B.C? Scott Wolter is bound for Tennessee to study the Bat Creek Stone, a controversial artifact with old Hebrew script found in the late 1800s. Intrigued, he then travels to Ohio to learn about an ancient mound shaped like a Hanukkah Menorah, which fascinated Thomas Jefferson. Finally, Wolter goes to New Mexico where petroglyphs feature a script that may pre-date Hebrew. All across America, Wolter finds many signs that suggest Jews made it here long ago--long before Columbus.
Patrick goes to a party on an aircraft carrier for a video-game launch, where he meets his new boss. Meanwhile, Dom shares his plans for a Portuguese restaurant with Doris, and Agustín gets fired for criticizing a sculpture.
Scientific destruction! Featuring anvil shooting, a man called Thundershin', MRI destruction, demolition fail and jumping out of a chopper without a parachute!
Rev's prized indoor basketball court is on life support. Desperately in need of a makeover, Rev and Justine decide to turn the space into a family sports center.
Justine tackles a neglected space in the house, the Zen Room. Inspired by a local Moroccan restaurant, Justine decides to tackle this room with her own two hands, turning it into a gorgeous scene straight out of Casablanca.
Flint discovers a thief amongst his crew. Eleanor must make a difficult decision. John hides with Max, inside a brothel.
Jack questions Cat about the fire after finding whale oil cans in her shed, while Elizabeth is baffled when a poor student gives her a costly gift.
Pinkie Pie finds her status as "super-duper party pony" in jeopardy when the mysterious Cheese Sandwich comes to town and offers to plan an epic birthday party for Rainbow Dash. Guest voiceover by Weird Al.
A man gets caught up in a love triangle with his wife and a childhood friend.
Stephen Fry and Alan Davies are joined by a selection of guests for a compilation of favourite moments from the K series of the quiz about 'quite interesting' facts.
Debbie's maternal instincts take over when she hosts her college study group; for the first time, Larry experiences jealousy; Reggie and Amber make a decision.
Cody meets with USMC Sergeant Major Diggins to discuss an upcoming Army-Marine flag football game, and the two make their "usual wager" on the results of the game. In his room, Randy becomes emotional watching military homecoming videos on the Internet.
Shawn and the new backhoe prove he is "Mr. Gold". Vernon and Emily's apologies and promises won't convince their crews to return. Zeke returns with a funky new way to make it rich in Nome. He also ends his friendship with the Riedel family for good.
Following a lead from Brock, Lucas visits a strict Amish schoolteacher who might have insights into the murder of Kinaho tribe member Lana Cleary and the disappearance of Solomon Bowman. Emmett and Siobhan find transferring a captive Chayton more difficult than expected. Rebecca copes with the pain of her parents' rejection. Proctor offers Alex a peace offering, and Nola delivers a final blow for justice.
A nature-loving woman in Humboldt County, California, asks Pete and his crew to build a treehouse that pushes their skills to the limit. She feels cramped in her home and wants a permanent residence 60 feet up in the area’s giant redwood trees. Pete and crew take the comforts of home to new heights in this bohemian-chic, tri-level treehouse, which boasts a bathroom, lounge and bedroom loft spread out throughout three floors with low-hanging lights, tapestries, modular furniture and an overall genie-in-a-bottle aesthetic. The owner dreams of being able to see the Pacific Ocean from her cozy forest perch atop the redwood canopy, and Pete knows that he and his crew are the only ones who can deliver!