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".
A Missouri man kills two people at a friend's home, then continues the bloodshed when authorities come looking for him.
The White House is in the middle of its biggest scandal to date and Cyrus is in the eye of the storm. Meanwhile, someone close to Olivia betrays her and the team.
With big gators getting harder to catch, the next generation of swampers steps up and helps their families get through some of the deadliest challenges yet. A pair of brothers go on an epic adventure for gators, employing ingenuity and fighting peril while journeying to a land not hunted in forty years. A swamper gets called back to his office job and is determined to make his last day hunting one to remember. A young hunter's risky night scout pays off.
Aiden has to defend himself in an embarrassing sex scandal that threatens to derail any chance of a political comeback and also further threatens his marriage. As he wrestles both back from the brink hediscovers Freya has been less than honest about her whereabouts and the time she is spending with Bruce.
Officers from the Newport News Police Department in Virginia put a stop to a pursuit in progress and deal with an unstable suspect who claims to have called the police for assistance. Next, a routine traffic stop in takes a turn when officers from the Alameda County Sheriff's Office find a bag of marijuana and evidence of a pending transaction through text messages. Finally, the Las Vegas Metro Police Department respond to a domestic violence call after a man and his stepson engage in a heated verbal argument.
When Wendell gets caught up with a snobby group of Magnet school kids, Vinnie struggles to be a better disciplinarian at the urging of his judgmental father.
It's finally time for Regionals, and the glee club is more determined than ever to advance to Nationals. Brittany returns from her MIT trip with a new attitude and Ryder finally has a lead on who is "catfishing" him.
Charlie lets his father help him coach a high school baseball team with bad results.
Big Time Rush are accused for scandals: Lucy Stone releases an album about a bad break-up with a guy who is rumored to be Kendall, Carlos tries to swat a bee and is accused by E! News for hitting grannies and Logan is accused for trying to rob a granny, which was really helping. Meanwhile, James spreads up a rumor about him doing a duet with Cher Lloyd.