The members of New Directions take on the greatest hits of music icon Stevie Wonder. Meanwhile, Artie receives news that could affect his future and his mom. In New York, Rachel prepares for her "Funny Girl" callback.
Lula disapproves when new Waterloo Road pupil, Fergal, tempts Harley to behave dangerously out of character; Lorraine makes a surprise announcement; and Grantly struggles to keep his illness under wraps.
A plan to put Satan's face on the nickel leaves Gary stranded in the Appalachian mountains. Outdoorsy hilarity ensues.
Damon and Stefan try a brutal new approach to provoke Elena into turning her humanity back on, and Caroline is frustrated when her attempt to intervene backfires. When Elena figures out a way to call the Salvatore brothers' bluff, they call for backup from a surprising source. Matt gives Rebekah some unsolicited advice on her life choices, and she tries to help him in return. Caroline has a confusing and dangerous encounter with Klaus, and Katherine is suspicious when Bonnie makes her an offer that she promises will benefit them both.
Leonard and Sheldon hire the host (Bob Newhart) of their favorite childhood TV show to perform; Bernadette and Howard run into trouble while dog-sitting for Raj's pet.
When a virus causes the machine to malfunction, numbers are issued irregularly; the team searches for an extremely elusive tech millionaire.
The doctors reach out to Bailey but she continues to shut everyone out; after an incident with Ethan's grandmother, Owen fears the child could end up in foster care. A new craniofacial specialist arrives at Grey Sloan Memorial Hospital to work on a young patient. Meanwhile, a magician's assistant is rushed into the ER after a magic trick goes terribly wrong.
Abed's research into the study group's history uncovers an overlooked series of chance encounters that led each of them to Greendale.
Sherlock resumes his hunt for Moriarty when Sebastian Moran reveals that a man who was thought to be dead from a heart attack was actually on the list of intended victims from Moriarty.
There is no lack of suspects when a famous boxer is discovered stabbed to death in his own gym.
Dwight becomes regional manager after Andy quits his job, Jim dedicates more time to his Dunder Mifflin job to save his marriage, and Angela has problems with her new living arrangements after her breakup with The Senator.
Leslie celebrates her first year as a city councilwoman. Retired Special Agent Burt Macklin is recalled to action. April gets some life-changing news. Tom debates a big business opportunity.
On the anniversary of her mother's death, Cat asks Gabe to attend her family's annual remembrance of Vanessa, which makes Vincent incredibly jealous. Cat learns some information that makes her think her mom might still be alive and when a sniper shoots the mayor at a public event, Vincent finds evidence that links Gabe to the sniper.
With encouragement from Walden, Alan decides to update his look; Alan is faced with a moral dilemma when he attracts a married woman.
Zach Stone decides to forgo college to star in his own, self-funded reality show. With his friends all leaving for school, he envisions a different path towards fame and a chance to "headline" a funeral is his first big step.
The cruise makes a stop on Honey Island, known for its colonies of the Honeycomb Pokémon Combee, Pupa Pokémon Kakuna, Stinger Pokémon Beedrill, and its honey-flavored cuisine.