Ethan is convinced no adult actually uses algebra, but a chance meeting with Danica McKellar helps him look at math in a different light. Amy's frantic search for her missing wedding bands leads her to Ben, who advises her to break-up with Ricky before it's too late. George and Kathleen's romantic dinner is interrupted by an uninvited guest. Meanwhile, Mrs. Stone confronts Grace about her relationship with Jack.
Tamra's explosion at the party has widespread effects, leaving Vicki torn between Tamra and Alexis; Gretchen goes to New York to support Slade; Lydia encourages Alexis to make amends.
Jordan calls in a favor from his mother to help out Mark, but in exchange must end things with Naomi. Annie must deal with the betrayal Liam feels from being in her book and Michaela catches Navid and Adrianna during an intimate moment.
The Blue Roses are at the wire. Their mission: protect the innocent; expose the guilty; save the bunny. But above all, they want justice for Rose.
While investigating vicious Hellbug attacks, Nolan & Irisa realize they are tied to Irathient spirit raiders that have come into town. Meanwhile, Irisa starts experiencing strange visions.
Freddie and Stuart are hosting a wake to mark the passing of an old friend. As they are joined by their small circle of elderly chums, the couple manage to create a toe-curlingly awkward evening with very little food but plenty of insults. Their new young upstairs neighbour Ash - whose sexuality becomes a point of great debate - spends the evening attempting to be the perfect guest, while fending off the advances of Freddie and Stuart's best friend Violet.
Max and Caroline are invited to be extras on a popular TV show shooting a scene in Han’s diner, but when Caroline catches the director’s eye, he offers her an actual role – with strings attached.
When the past catches up with Miles and Monroe in the form of mutual heartthrob, Emma all hell breaks loose for them physically and emotionally. Charlie and Nora are the ones who rescue Miles this time. Meanwhile Aaron’s life is turned inside out while accompanying Rachel on her tenacious trek to the mysterious Tower where she plans to restore the power.
With the fate of the world in their hands, Pete and Myka's only hope of finding a cure to the Sweating Sickness is a drunken history professor. Meanwhile, Steven and Claudia enter Artie's subconscious in an attempt to bring him out of his coma before he fades away for good.
Jerry 'The Sub Sinker' Martinez proudly drives away another substitute teacher.
Ben Fogle joins a family in a mountainside yurt in Alaska.
When evil tech genius Christopher Pelant returns to toy with the Jeffersonian team in their newest investigation, they discover that the string of murders that have been occurring are tied to FBI agents close to Booth. Meanwhile, as the investigation unfolds, Sweets realizes that the evidence seems all too familiar to him and Brennan starts evaluating her relationship with Booth when signs begin to point to him as a potential target of Pelant's.
Jeff tries to prove to Audrey that Heidi, a college friend, never had feelings for him; his plan goes awry, however, when she hits on him during a visit. Meanwhile, Timmy quits when he discovers Russell has embedded a pet tracking device in him.
Five-0 allows a talk show host and her crew to follow them for the day, but the investigation turns dangerous when they have a run-in with Wo Fat.
The gang works together to plan a legendary bachelor party for Barney.
In the explosive Season One finale, Ryan races to stop Joe Carroll before his endgame reaches a deadly conclusion. Meanwhile, Joe leads Claire to a special location and the ultimate showdown between good and evil takes place.
A look back on the highlights, low-lights, and previously unseen footage from the season.
Daniel retreats from the stress of recent events; Tawney reaches out to Daniel, unbeknownst to her husband; Amantha fears that the town's anger could erupt at any moment.