Leonard and Sheldon hire the host (Bob Newhart) of their favorite childhood TV show to perform. meanwhile, Bernadette and Howard run into trouble while dog-sitting for Raj's pet.
Olivia Pope and Associates take on DC's finest madam when her list of clientele threatens to send shockwaves through Washington's elite.
The 118 face emergencies at a spin class and a hair salon; a husband and wife couple find themselves in a compromising position; Buck discovers new cognitive abilities; Hen and Karen find out Denny has been seeing his biological father.
A national tragedy forces Olivia to return to work at the White House. Meanwhile, we learn more about the first few days of Fitz's presidency.
Olivia and the team rally when Quinn finds herself in a tragic situation; Cyrus turns to Olivia when an announcement affects Fitz's presidency.