As the gang prepares for prom, Dixon and Annie learn some troubling news about their futures, and Ivy discovers that Raj's health has taken a turn for the worse. With Silver away in the hospital, Adrianna tries to rekindle her romance with Navid. Meanwhile, Naomi and Max's relationship is strained to the breaking point.
Gordon is going off the beaten track to Cambodia. After the years of Khmer Rouge rule and civil war the country was at year zero. Today the country is in recovery and the food is undergoing a revival. Gordon scours the country hunting out historic recipes that pre-date the Khmer Rouge rule. He hires a chopper to take him into the heart of the jungle where he discovers a dessert fit for a restaurant, he turns hunter gatherer wading through snake infested rivers on the hunt for a Cambodian favourite, frog and is on the trail of Cambodia’s hairiest delicacy - tarantula!
A problem arises for Burnistoun's housing association when a resident complains about a strange presence in his house, a gullible customer at a car-boot sale pays too much for a denim jacket, a couple who met on a TV dating show seem unable to forget the experience, and ice-cream sellers Paul and Walter's efforts to sell their product on the beach in winter ends in tragedy.
Charlie is finally starting to feel less like a fish-out-of-water with Serena and her friends, but complications present themselves when Charlie is invited to attend the Constance Billard alumni fundraiser. On the road to "happily ever after" Blair finds herself torn between the men in her life. Jack Bass return to the Upper East Side sets off a chain of events that could end up destroying Chuck and those closest to him.
After reluctantly going to Irina's, XIII and Irina are captured by a rogue team, and after escaping they are hunted by the commandos. Meanwhile Jones and Amos are becoming suspicious of CIA Director Frank Giordino.
Chuck and Sarah’s wedding prep includes one final detail: ensuring that the mother-of-the-groom makes it to the ceremony alive. Meanwhile, Morgan’s responsibilities as Best Man include his most dangerous mission yet, as he faces Vivian Volkoff. Elsewhere, Ellie tends to the last details of the rehearsal dinner and seeks help from an unlikely source.
XIII and Jones travel to Chicago in search of an agent who has one of the watches.
With the invaluable information that was shared by Agent Jenna Kaye, Five-0 is closer than ever to capturing Wo Fat. Their mission takes an abrupt turn, however, when Danny is exposed to a lethal neurological agent that presents an even greater threat: bio-terrorism on the island.
After losing a bet with Wilson over a boxing match, House is convinced that his fighter has an underlying medical condition that cost him the fight. While he tries to prove it, he leaves his team alone to help a bomb scientist who suffered a seizure. Meanwhile, House may be experimenting with a new drug to help his leg pain.
This trip Guy's rolling coast to coast for flavor. In Astoria, New York, a dive bar cranking out slow roasted lamb ribs with fresh tzatziki. In Geyserville, California, a third-generation Italian restaurant serving up the family meatball recipe in a slider. And in Indianapolis, a catering kitchen turned restaurant where something called tomato bon bons have become a local favorite.
When Ted is faced with an important decision that might affect his future with Zoey, the gang expresses their true feelings about her.
Goofy goes on a quest for a magical elixir to cure Willie The Giant's tummy ache.
Homer opens his own hair salon after discovering he is a talented stylist; Milhouse professes his love for Lisa.
Paul begins to suspect that Susan is responsible for his rapidly declining health; Lynette and Tom butt heads over where to go on their family vacation, as well as which one of them will set it up; Gaby shows Juanita a horror movie and has to pay the price when her daughter becomes too scared to sleep in her own bed; and Bree runs into some trust issues when she goes out on a date with a detective.
The invasion by King Charles of France and Della Rovere proceeds with victory seemingly inevitable as the French sack the city of Lucca and the Italian powers flee to their banner, with Lucrezia's husband Giovanni Sforza poised to join them in the name of Milan; inventor Leonardo Da Vinci (guest star John Lynch) shows his drawings and blueprints for war machinery to the invaders.
Stewie and Brian go back in time to stop Bertram from killing Leonardo da Vinci in order to erase Stewie from the universe.
Bob and his family are forced to spend the weekend at Mort the Mortician's while the restaurant is being de-molded. Linda and Bob double date with Mort and a female mortician he meets online while Tina babysits Gene and Louise in Mort’s crematorium.