Tina, Gene and Louise are ready to put the pedal to the metal when they join a go-kart league. Meanwhile, back at the restaurant Bob and Teddy partner up to serve Teddy's home-brewed beer on the sly.

The squad decides it's high time Jake paid them back all the money he has owed them from over the years. Meanwhile, Amy and Holt team up to re-open the Brooklyn Broiler case.

Meg convinces Brian to take the SAT's for her, but when he tests poorly, they start to suspect that Brian might not that smart after all. Peter decides to spend the day showing Brian the joys of being stupid and the benefits of having a low IQ.

Hannah has one last dinner in New York with her parents and Adam before packing up to leave for the Iowa Writers' Workshop. Meanwhile, Marnie and Desi play a jazz-brunch gig for a tough crowd at a downtown restaurant; Shoshanna's annoyed by her parents after getting her diploma; and Jessa clashes with Beedie's daughter over her caretaker status.

Marty is back with a vengeance - ready to grow Kaan & Associates and conquer the consulting world. Revelations of what has occurred since last season begin to explain the 'new normal' at K&A. Marty lays down the law to a pregnant Jeannie on her future with the company, and the pod leaves one client in pursuit of a much bigger payday. .

Bo and Tamsin infiltrate the world of college football to investigate a homicide that might expose the Fae. Dyson investigates a murder victim who won’t stay dead.

Elizabeth pushes for the prosecution of a Bahraini diplomat after he is caught holding a maid hostage in his home. Henry's father comes to visit.

The return of Preacher James brings an ominous new energy to the town, especially for Bellamy who seems to have a strange and unnerving connection to him. Now a detainee at the government facility, Margaret keeps to herself but her reputation precedes her and the other returned definitely take notice. Then the unthinkable happens to Henry which shakes everybody's faith to their core.

David finally decides to settle his debt to Victoria while Emily helps Nolan with a takedown of his own.

Fiona juggles her job and a crush. Lip heads back home.

Alicia and Frank Prady square off in a crucial debate in the race for State’s Attorney. Peter and the city of Chicago prepare for a potential riot.

When a group of competitive high-school students start undercutting each other with witchcraft, the Librarians have to intercede before disaster destroys them all.

The Librarians encounter the House behind the legend of ALL haunted houses and set out to destroy it.

Bart has a new accomplice and best friend when Homer is hypnotized at the circus and believes he is a young boy again.