When Earl is not invited to play with his old jazz band at their reunion show, Max and the diner gang join forces in order to get him back on stage performing.

Diggle must learn to trust his brother Andy when an enemy of their wartime past, an agent of the criminal organization Shadowspire, pays a visit to Star City. However, Diggle learns more than he bargained for about their shared time at war. Meanwhile, Oliver has to learn a whole new way of life.

Leanne visits a prison to finally confront the drunk driver who killed her family. Meanwhile, Malaya begins to feel uncomfortable around her patient.

The BAU searches for a motive and an UnSub when victims are found in truck stop restrooms along highways throughout the South.

The remaining 12 artists team up to create a member of a long-lost race inspired by unique languages created by "Game of Thrones" linguist David Peterson.

Dennis makes a movie spotlighting his erotic memoirs while Frank and Mac try to pass off Charlie as a gifted artist to make money.

Mike's worst fears have come true. He's been arrested for fraud and is under investigation by a ruthless government prosecutor, Assistant US Attorney Anita Gibbs. Meanwhile, Jessica and Harvey must figure out how to build a defense for Mike, knowing full well that he's guilty of the crime for which he stands accused. And Rachel must come to terms with her family's reaction to the news that her fiancé is not the person he claimed to be - and that he could soon be in prison.

Sam and Dean investigate a case where people are suffering violent deaths after hearing a mysterious song.

Natalie Portman (Jane Got a Gun (2016)); TV host John Oliver (Last Week Tonight with John Oliver (2014)). Also: Sia performs.