Subway makes plans to turn Greendale into Subway University; Jeff considers an employment offer; Dean Pelton tells Annie and Abed about the school's first dean.

A pickpocket dies of anthrax poisoning, putting Holmes and Watson on the trail of the toxin’s source in order to prevent more deaths.

Cristina is nominated for a Harper Avery and although most of her fellow doctors are ecstatic, she won’t let herself get too excited. Bailey continues to work on a young boy without an immune system -- Alex considers making a change, and Derek and Callie work with a machine that can recognize emotions. Meanwhile, Richard gives the residents a pep talk about the exciting projects going on around the hospital.

Crosby finds himself in a tough housing situation and reaches out to Joel for help. Julia musters up the courage to talk with Sarah about her current situation. Kristina receives some devastating news and puts all her energy into fighting for the charter school, meanwhile Amber also hears of unsettling news and Hank steps up to the plate.

In the midst of flu season, a sick Leslie and Andy struggle to book performers for the Unity Concert. Meanwhile, Tom heads to a wine competition in search of a sommelier for his new restaurant, and Ben seeks drunken help from Ron with a personal problem.

Joaquin makes a smoothie. Kickstarter videos compete at the Cant’s Film. Sandra visits a tattoo removal parlor. Malcolm and Kris make their own clothing. Toni and Candace coach the Portland Trail Blazers’ dance team. Guest starring Gus Van Sant, Paul Allen and The Portland Trail Blazers.

When Mary learns of a secret clause in her marriage contract that her mother, Marie de Guise and Queen Catherine orchestrated, Mary and Francis embark on a dangerous plan to turn Scotland against her mother – and Mary gets her first taste of power as the Queen of Scots.

Forrest unleashes his inner f**kbeast at an orgy and finds that road rage can quickly turn ugly.

A security breach calls for an all hands on deck situation at OPA. Fitz’s re-election campaign becomes stalled and he considers going against Olivia’s advice. Meanwhile, Adnan and Maya continue to plot their next move.

Things are anything but business as usual when Harvey and Mike find themselves at odds with a tenacious U.S. Attorney. Scottie and Harvey can’t seem to get on the same page and Mike and Rachel clash over plans for the future.

Sheldon has a personal crisis when he decides string theory is a waste of his time; a double date ends in embarrassment for Howard.

David Letterman announces his retirement, Botox helps treat depression, Bill O'Reilly fights the grievance-industrial complex, and Sting performs "The Last Ship."

Episode info coming soon ..

Kevin Costner (Draft Day (2014)); Danica McKellar. Also: Alan Cumming and the cast of Broadway's "Cabaret" perform; Philip Bailey sits in with The Roots.

Ragnar and King Horik clash over how to dispense justice to Jarl Borg. In Wessex, King Aelle arrives and Ecbert has an eye on a new alliance.