Walter explains to Olivia how Peter came from the alternate universe, and how he was willing to risk everything to save his son.
When a subway train is thrown off the track by 60,000 gallons of flood water, a partially skeletonized body emerges out of the overflow. While Dr. Sweets, a passenger on the derailed train, copes with post traumatic stress, the rest of the team and intern Daisy Wick get to work on identifying the victim as Martin Aragon, a professional ghost writer caught up in a deadly love triangle. Meanwhile, Brennan releases her second book to great success, but has to accommodate a nosy reporter, and Sweets' near-death experience leads him to make a drastic decision.
The adventurers meet Roland, a young trainer who falls victim to Team Rocket's latest ploy. They also meet Bertha, one of the Elite Four.
A princess asks Dawn to trade places for a day, so that the princess may compete in a Pokemon contest.
The contestants must craft a red carpet design for Heidi Klum. They have $300 and one day to complete their looks.
When famed neurosurgeon Dr. Ginsberg and her team pay a visit to St. Ambrose to save the life of Kayla, Addison is shocked to see Amelia Shepherd - Derek's younger sister on the team. But Amelia's presence causes strife between Addison, Sam and Pete when she claims she can save Kayla's life after Dr. Ginsberg declares nothing can be done. Meanwhile Charlotte seeks from Cooper's with a sex education seminar for the elderly that only leads to more tension between the two, as they try to figure out how to work together.
Italian Food Safari celebrates the incredible breadth and hard work of the Italians who settled in Australia over a generation ago and who have kept their food traditions intact. Food explorer Maeve O'Meara and legendary Melbourne chef Guy Grossi spend time with Australia's top Italian chefs and producers celebrating Italian culinary masterpieces alongside beautiful rustic family favorites.
Bethenny discovers she's the focus of a gossip article and comes to suspect that Jill was the source. Meanwhile, Kelly participates in an interview for her Playboy spread; Alex selects designers for a Brooklyn fashion event; Kelly receives an e-mail warning regarding Jill; and Bethenny attempts to call a truce with Jill.
Catherine and Detective Vartann are thrown together in a hotel room for 24 hours as they stake out a duo making drugs in the room next door. Meanwhile, Nick and Langston work a case that involves a fetish which has become big business in Vegas.
When a journalist is found raped and murdered in her own bed, Cragen is able to connect this particular case to another five murders that happened thirty years ago, committed by the "Bedtime Butcher". To uncover the truth behind the crimes, Benson goes undercover in order to find the real killer.
Jules and Sara hit it off, but when Grayson is overly attentive to his new girl, Jules warns him to back off before Sara pulls away. Meanwhile, Jules' perfect new bathroom complete with a "talking toilet" becomes the main attraction in her home and Grayson finds inspiration for a new song with a little help from Sara.
Hilda is planning her wedding, which is getting closer and asks Betty about the plans for her bachelorette party. Betty tells her that she's planned a champagne tour of The Met museum, but Hilda and Bobby believe it's a joke and Betty has to think of something else. Bobby is put out when Justin turns down a lift to school in favour of walking with Austin.
U.S. Marshal Mary Shannon must hunt down witnesses for federal cases in the witness protection program while also managing a rather dysfunctional family and her own personal life.
Josh heads into New Jersey's Wharton State Forest and teams up with Kris Williams from Ghost Hunters to search for the legendary Jersey Devil. In the next segment, he and his team go to China's Hubei provence in search of a Bigfoot-like creature called the Yeren.
Tensions are at an all-time high with Jake's older brother Christian back in town and the Doyles are on a case involving Walter's soon-to-be brother-in-law.
Mike's dream comes to fruition when Frankie's boss, Mr. Ehlert, offers him two tickets to the Final Four. Unfortunately, Frankie's uncle dies and the funeral is set for the same day, leaving the two in a battle and Frankie making Mike chose what life event is more important to him. Meanwhile, Sue gets Brick out of going to a birthday party by impersonating Frankie over the phone, but the plan hits a bump when Frankie needs to call and tell them that Brick cannot attend because of the funeral.
It could not be more perfect that Phil's birthday and the release date of a hot new product coincide, and he wants nothing so much as to be one of the first people to get one; this is Claire's mission. Meanwhile, before coming to Phil's party, Mitchell is preoccupied with a new found desire to toughen up, Cameron gets himself involved in a neighbor's marital problems, and it's Jay against Gloria and Manny in chess.
State Law in Colorado says it's legal to smoke pot if you have a physician's reference. Randy is the first-in-line to buy some but he's turned away because there's absolutely nothing wrong with him. Randy is desperate to get a medical excuse to smoke some weed but meanwhile, Cartman will do anything to get his beloved fried chicken restaurant back.