Maggie’s patience is put to the test when Rhiannon goes off the rails; Sonya sets about recruiting a school handyman; and Connor is bullied into a dodgy deal by Barry.
The top 2 finalists are determined. Lauren Alaina performs; Alicia Keys performs.
Gary loses his summon word at a concert. Whoever finds it will have total control of Gary. Unwholesome hilarity ensues.
The music business is Zach's next frontier as the front man of the first ringtone band. Embracing his "rebel" persona, he takes to the stage with his sidekick Greg and the beautiful Christy.
Cat and Vincent go on a date out in public in an attempt to be a normal couple, which backfires on them. Meanwhile, Gabe reveals some information that gives Cat hope they can find a cure for Vincent.
Walden dates an attractive 22-year-old (Hilary Duff), but ends up being more interested in her grandmother (Marilu Henner); Jake and Alan go on a trip.
A plan to celebrate Jeff's early graduation is unexpectedly disrupted by the study group's evil doppelgangers from the Darkest Timeline.
Gel caps, playground spring riders, frozen pancakes, and natural rubber are spotlighted.
Don Wildman examines the tombstone of a young woman may have haunted a small New England town, exposes the man behind one of New York City's most elaborate and historic scams, and visits the country's most infamous prison.
As Graduation Day approaches, Caroline tries to distract Elena by focusing on simple tasks like sending out announcements, but Elena won't be swayed from her new obsession. Sheriff Forbes calls Damon and Stefan to the hospital, where someone has been attacking patients. Still trying to force Katherine to help her, Bonnie refuses to give up on her plan to defeat Silas. As a violent wind storm causes a power outage in Mystic Falls, ghosts suddenly appear - some with good intentions and some bent on revenge.
Sherlock agrees to take a case from a man claiming to be Moriarty, hoping it will bring him closer to finding his nemesis. Meanwhile, Gregson encourages Joan to give up the dangerous line of work she has chosen and go back to being a sober companion.
The doctors of Grey Sloan Memorial Hospital prepare for a super storm heading towards Seattle. Owen's desire to be a parent gets stronger as he becomes closer to Ethan. One wrong move puts the lives of Meredith and her baby in jeopardy. Meanwhile, Jo looks to Alex for help in a moment of crisis, and one doctor gets the shock of her life.
Finch and Reese team up with unexpected allies as they race to fix the machine; as Detective Carter tries to apprehend Cal Beecher's murderer, she finds herself up against HR -- a criminal organization.
Flynn and Vega identify a suspect in the death of an executive assistant, but there appears to be no motive.
Jim convinces Dwight that he needs to choose someone to act as an Assistant to the Assistant Regional Manager; the two subsequently hold tryouts for the position. After her daycare turns away her child, Angela is forced to bring her kid to work. Andy auditions for "The Next Great A Cappella Sensation".
As Ash and his friends prepare for the upcoming Marine Cup Tournament on board their new cruise ship, the group learns that Mrs. Ripple, a jewel collector, will display her collection after the tournament, but upon the tournament's conclusion she discovers that her rare Eye of Liepard has been stolen. She suspects Mr. Shaw - a businessman and jewel collector who has been asking to buy the Eye of Liepard from her - even though it was watched over by her Watchog all night. Cilan takes on his detective role once more to discover the thief of the Eye of Liepard.