Bart has a new accomplice and best friend when Homer is hypnotized at the circus and believes he is a young boy again.
When Brian takes the SATs for Meg but doesn't do very well, the family starts to doubt his intelligence; Peter tries to show Brian the upside of being stupid.
Ange, Vivian, and Tusk find themselves in a strange alternate world. Tusk and Ange grow closer as they learn about the dimension they are trapped in.
When a group of competitive high-school students start undercutting each other with witchcraft, the Librarians have to intercede before disaster destroys them all.
An encounter with land-bound pirates forces Galavant, Isabella and Sid to learn how to get over their petty squabbles and work together. Meanwhile, King Richard tries a new tact to win Madalena's love.
Jake has to go to great lengths to keep a secret about Terry from the rest of the precinct, and Amy finally gets to partner up with Captain Holt.
Season 4 begins with Marty eager to grow Kaan and Associates, and telling a pregnant Jeannie exactly what her future is with the company. Meanwhile, the Pod leaves one client in pursuit of a much bigger payday.
David finally decides to settle his debt to Victoria while Emily helps Nolan with a takedown of his own.
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.
The Librarians encounter the House behind the legend of ALL haunted houses and set out to destroy it.
Eva springs something on Jonathan that she should have disclosed before marriage; Nikki cuts off the Bella family; Rosa's job is threatened.
Tasked with ensuring security at a high level Palestinian conference, with signs that a plot to bomb the conference maybe under way, Foyle faces a race against time to uncover not only the truth, but where the truth lies. Meanwhile Sam is determined to help a young boy in Adam’s constituency when she realises his life may be in danger because he cannot afford hospital care.
The gang discover Andy is trapped in Negative Space due to Alice hacking Andy's spell; and Alice lures Oscar to the river and offers to cast a spell to make him walk again.
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.
Celia builds bridges with Alan and accepts Gary into her life despite her reservations.
Hitler has infiltrated a high school in the American mid-west in search of a female senior student. His motives are unknown. Danger 5 are forced to go undercover and back to school, where Tucker’s teaching skills are pushed to the limit, Pierre’s coolness is put to the test and Jackson is hunted by a ruby-eyed wolf man with a machine gun and a grudge.
A visit to Sid's hometown reveals he has not been truthful about his career path. While Galavant and Isabella back up Sid's stories, King Richard decides to throw a ball to cheer up the people of Valencia.