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.
Antony Cotton, Jack P. Shepherd, Brooke Vincent, Catherine Tyldesley, Nitin Ganatra, Charlie Brooks, Tameka Empson and Tony Discipline
The team continue their investigation into the mole and make a shocking discovery in the process. Meanwhile Fitz orders Jake to continue to protect Olivia, who is still very much in danger, and back at the White House Mellie's ultimatum forces Cyrus into the role of "fixer."
Driven by a desire to avenge his own downfall, Aiden plots against his old friend Bruce. He is also spending more time at home looking after the children and particularly their Asperger's son, Noah. As he sitson the side-lines watching his wife's meteoric rise, Aiden is increasingly consumed with jealousy and paranoia. Unable to accept his wife's new-found success or forgive her betrayal, Aiden begins to plot Freya's downfall as well as Bruce's.
Vinnie's plan to teach Wendell to love baseball backfires when Wendell chooses to root for Vinnie's arch rivals.
A massive sinkhole consumes part of Troy Landry's hunting grounds and he and his sons must race to his remaining lines in the same area before they are swallowed up. "The Beast of the East" is chased by swampers using gator calls and while one team comes up with a clever way to extract gators from a huge snarled lily field, another bravely hunts for "The Monster of Monster Marsh" while trying to outrun a deadly lightning storm. The biggest gator of the season so far is caught and wrestled onboard.
The contestants face elimination. David Cook performs; will.i.am peforms; Harry Connick Jr. performs.
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.
The new British band "invade" the music business and Big Time Rush is afraid that they are going to end their career. To save their career they decide to hire new managers but disagree on who they are going to take.
John and his team try to determine why guests are running scared from an inn in Arkansas. Also: A castle in Missouri is investigated.
German POWs reveal inner thoughts about the Third Reich, including military secrets that helped the Allies win World War II.
Grace learns about the missing money from Jimmy before investigating the abandoned shooting range; Grace sends Tom and Evie packing; Grace gets into Santa Rita with Mitch's help.