Researchers test a new way to eliminate nanites, but the results are not successful. Zag RS emerges and plans on using the method to destroy all the nanites. Rex must journey to a satellite to rescue Holiday and stop Zag RS.
When a retrospective exhibition of murdered fashion designer Ritchie Levene's work opens, the team is prompted to re-examine the three-year-old crime. The detectives learn about his tempestuous relationships with his new spouse, personal assistant and ex-wife Sarah, who believes his brother Adrian is the killer because he had the most to gain from his death. Meanwhile, Gerry enlists Emily to help update his image, although not everyone is impressed with the results.
When Lance becomes fascinated by the cars, he gets into a vehicle racing challenge against one of the competitive Earthlings.
New Man has got himself a date with a Sutton High Street girly – Jerwayne and Ashley have got some science to drop on Christopher before he can represent PhoneShop in the linking game. Jerwayne has girl issues of his own, namely with owl girl. And Lance has his own flirtation irritation on an electronic tip. Meanwhile, Janine is determined and focussed on the business: time to present her 40 weeks worth of work dossier.
Nicole Curtis takes on a run-down, 1902 Victorian-style home. When her contractor walks off the job, she manages to keep up the renovation work on her own, but falls behind schedule. In need of cash, she goes after an investor. To win him over, she transforms the bathroom, laying every tile herself and designing and constructing a beautiful vanity from an estate sale find.
Frustrated by unreliable workers and shoddy work, Nicole Curtis turns for help to her brother and cousin, both skilled carpenters. Together the family tackles the second floor, working miracles with salvaged wood to add detailed trim and repair the rotting entryway floor.
Mike gets on everyone's last nerve after his obnoxious antics get them all kicked out of a club. Even Pauly is frustrated after Mike proves twice that he's a failure as a wingman.
Reef and Broseph smell a way to make money based on the town's most popular food stuff: Beaver Tails. Meanwhile, Lo thinks she is starting to look pale like Emma, so she buys a tanning product that makes her smell like bacon and has to be reapplied every 20 minutes or she turns orange.
Adrienne Maloof invites all of the housewives to see the Sacramento Kings play the Los Angeles Lakers.
Newton, concerned about the consequences of a distressing development involving a high-ranking official, is forced to call to action a sleeping shapeshifter. As Walter and the rest of the team gather evidence, they move the investigation to Massive Dynamic, where Olivia goes on high alert and Walter finds himself in a perilous situation.
Jeff and the group must salvage an aging museum exhibit that Dean Pelton wants as the centerpiece of Greendale's proposed aerospace training program.
Karl travels to Mexico where he pays a visit to Chichen Itza. He also tries his hand at wrestling, learns how to become a cowboy, and hunts for a Mexican jumping bean.
Patrick Jane and the CBI team are called in to investigate the murder of a convict who served nine years for rape and murder, but was recently released on DNA evidence.
An embarrassing secret of Wolowitz's comes to light, while Sheldon and Raj have a small war at work.
In the East African country of Kenya, the local Maasai tribe claims a massive volcanic crater is haunted by the 60,000 warriors who where killed there during a bloody civil war in the 1800s. Battle cries, shadows, and strange noises are all reported to emanate from the center of what's called the Menengai Crater. Could Madagascar be the home to a small but dangerous creature called the Kalanoro? That idea might not be too far fetched since this island off the coast of Africa is the home to several animals that are not found anywhere else in the world. Stories of the mischievous Kalanoro date back 2,000 years, but recent sightings imply the dangerous, two-foot tall, humanoid monster may be back.
Pete spares Andre no grief after announcing plans to run a marathon. Kevin and Jenny seek balance between conflicting roles as both spouses and league adversaries. Ruxin offends a colleague, but Taco's new venture as a notary may be the solution.
After a skull and decomposing hands are found in a dumpster, the team must not only solve the crime but also search for the rest of the victim’s remains. Identified as Ray Raminsky, the victim turns out to be a bounty hunter in search of Charles Braverman, a man indicted for the murder of a co-worker. Meanwhile, Brennan is asked by Professor Bunsen Jude “The Science Dude” (guest star Grier) if he can shoot an episode of his children’s show from The Jeffersonian Lab with Brennan as his special guest. Brennan initially turns him down, but is surprised when he makes her a deal she can’t refuse, so she takes him on as a new “squintern.” As the team pieces together the details of the crime, they discover that they are not alone in the hunt for Braverman and find themselves in a chase with an unexpected suspect.
Michael, believing he has herpes, contacts all his ex-girlfriends, including Jan and Holly. Andy tries to play on Erin’s compassionate side by holding a sex education meeting for the office.