The people of Portwenn are concerned for Radio Portwenn's DJ Caroline Bosman, whose increasingly erratic behaviour has them suspecting that she has been hitting the bottle. The Doc has to deal with an elderly patient whose personal aroma can clear a room, but is unable to determine a medical cause for the stench. PC Mylow hopes that his pheremone spray will endear him to a pretty newcomer to the village, while the Doc/Louisa/Danny triangle gets even more complicated.
Mac starts to doubt Santa's existence when a hoard of imaginary Santas appear. Bloo sets out to prove that he's real.
Another player is fired when the players face off in the fragrance industry.
Ryan, Summer, Seth, and Marissa think about what they'd like to do with their lives as they compile their college applications, but they run across several obstacles; Johnny's surfing career takes an unfortunate twist; a revealed secret complicates Julie's friendship with Kirsten.
Gallant impulsively asks Neela to marry her that exact day, she says I do but soon gets cold feet. Morris stands up to Weaver on a patients course of treatment. Luka, Sam and Clemente treat a boy who contracted HIV from his mother. Also, Abby and Luka redefine their relationship and Luka is named the new Chief of Emergency Medicine.
After Ash wins his third Battle Frontier Symbol, the Tactics Symbol, he and his go to their next Battle Frontier location, the Battle Pike. However, during an encounter with a wild Elekid, May's egg becomes stuck in the Electric Pokémon antenna and runs off. Now Ash and the others must find Elekid and get May's egg back.
A trip to the Hill Grange Health Spa sees Roman getting a little more than he bargained for during a facial, when Bubbles takes his beauty treatment into her own rather ample hands. Down on the Mike McShane estate, it appears that Ting Tong has yet more secrets to divulge, much to Dudley's horror and exasperation. A weakness for women in green Lycra, however, gives Ting Tong the opportunity to persuade him to let her stay - just one more night.
After finding her mother's old permanent record at school, Veronica wonders how well she knew her mother at all, and decides to investigate her mother's school friends. Meanwhile, Trina takes the role of director in the school play, and while she has a confrontation with Kendall, Veronica has one with Celeste.
As Kate’s backstory continues, her original crime is revealed. She thinks something is haunting her through Sawyer. Locke and Eko make an interesting discovery about the film, and Michael has a mysterious encounter with the computer.
As the town readies for the Ravens' first basketball game, Lucas worries that his head and heart aren't in it. Nathan accuses Lucas of being the Ravens' weak link. Peyton and Haley mend fences to support Brooke in a time of need. When the mayoral race tightens, Dan resorts to a smear campaign.
The team investigates the death of one teen, and the disappearance of another , which may be linked to a satanic ritual.
A “talking” whale inspires the fourth-graders to risk everything to return him to his family. With the police on their tails, the boys enlist the help of a foreign government and embark upon an adventure you’ll not soon forget. One in which the boys learn just how far you would go for a friend.
Wyatt tries to get Serena back, and finds out that Wayne might be his only hope because of his ability to choose the perfect movies for broken couples. Meanwhile, Jen wants to end her relationship with Charlie Dobbs, but the gang loves him and persuades Jen to keep a relationship with Charlie, much to her dismay. Also, Jonesy has an argument with Nikki over her style, and Caitlin's blender is broken which stands in the way for the bonus that she wants.
After a couple reads his blogs, they abduct Dave to find out what he knows about the hurricane's aftermath. Underlay and Sirk discover the identity of the woman in the bay and Sirk gets a glimpse of the orange lights.
The housemates appease the spirits of dead Native Americans. Clara seeks her daddy's approval.
After Xana possesses the principal of the school and kidnaps Odd and Yumi, he gives Jeremie an ultimatum: deliver Aelita to the Scyphozoa or sacrifice Odd and Yumi. However, Jeremie and Aelita go to Sissi for help and Sissi agrees to be tempoarily part of the group to help save her father and eradicate Xana.
George's wisecracks about Benny's age finally get to her, so she decides to enhance her chest to create a youthful appearance.
Mac and Stella work on the case of a female roller derby player. Danny and Hawkes look into the murder of one of New York's upcoming crop of writers.