Penny is horrified when Amy gives her a gift: a huge, quite horrible painting of the two of them. With no good way to avoid displaying it, she only hangs it up when Amy is over.

Sheldon sabotages Amy's career.

Sheldon goes to Vegas to win millions for science.

Leonard regrets his newfound authority at work.

When Sheldon is forced to take his vacation, he goes to work with Amy in her neurobiology lab.

The truth comes out on the paintball field.

A rival team of physicists tries to take credit for Super Asymmetry.

A wealthy donor to the university makes Leonard consider how far he's willing to go for the sake of science.

Amy and Sheldon try to win over Nobel laureates.

Amy and Sheldon try to take the high road for the Nobel Prize.

Cristina uses Meredith to get the solo surgery which Alex is also trolling for; Derek discovers he has a form of epilepsy; the interns perform surgery on Sadie which goes terribly awry, exposing their little club.

Penny encourages Leonard to stand up for himself.

Olivia Pope and Associates take on DC's finest madam when her list of clientele threatens to send shockwaves through Washington's elite.

The team tries to help a millionaire's son who has been accused of rape; when Olivia takes on Amanda Tanner as a client, her first request is a meeting with the president.

The weight of winning a Nobel weighs heavy on Amy.

Mary protects a deeply remorseful Army veteran and clashes with his military lawyer. Adding to her worries is a visit from her ex-husband.

Young lawyer Quinn Perkins is offered a job at Olivia Pope and Associates, an organisation that defends and protects the public image of the nation's elite by keeping their secrets under wraps.

Former friends Olivia and Cyrus take opposing viewpoints when the Amanda Tanner case takes a surprise turn. Cyrus tries to help by investigating the personal lives of Olivia and her associates.

Olivia and the team rally when Quinn finds herself in a tragic situation; Cyrus turns to Olivia when an announcement affects Fitz's presidency.

As Gideon investigates Amanda Tanner's history in the present day, scenes from two years earlier reveal the contentious primary race between President Fitzgerald Grant and Sally Langston.