The Top 3 Teenagers battle to become the teenage Jeopardy Champion for the 2017 season.

Gordon and Bullock try to figure out who the clever thief is behind the robberies of various bank branches in Gotham. Meanwhile, Barbara is put in danger, forcing Tabitha to recruit help.

Sam and Dean must stop Rowena, who is on a deadly mission. Meanwhile, Castiel looks to heaven to recruit angels for an impending invasion but is shocked by not only what he finds, but who.

Sheldon's comic book store experiences changes when writer Neil Gaiman puts Stuart's store on the map. Also, Koothrappali takes credit for Penny's astronomical discovery, and friendships are threatened.

During presentations on Grey Sloan Surgical Innovation Prototypes Day, Arizona shares some cookies from an appreciative patient that, unbeknownst to her, contain a special ingredient. Meanwhile, Catherine reveals some shocking details to Jackson about his grandfather's past; and Jo steps in mid-operation on a major surgery after Bailey and Meredith are down for the count.

Ben begins to investigate some suspicious overfishing, meanwhile Decker ramps up his efforts to find his escaped mermaid and shows the true extent of his influence.

The queens' improv skills are put to the test for a new talk show, "Bossy Rossy," hosted by Ross Mathews.

When one of Jack's students anonymously reports him for canceling their much-anticipated fetal pig dissection, he sets out to find the snitch. Durbin's chances at Principal of the Year are in jeopardy when the superintendent visits.

When Sheldon is no longer academically challenged at Medford High, he audits a college class taught by Dr. John Sturgis.

After trying almost 500 fairground foods, Noah Cappe is a midway culinary expert. Now he's sharing his personal greatest hits by taking a trip down the memory midway of his favorite foods.

Looking to expand his empire, Diaz and Laurel meet with The Quadrant, a coalition of mafia families who run national organized crime. Meanwhile, after Oliver's recent decision, Felicity and Curtis double their efforts on building Helix Dynamics.

Andy, Jack and 18 other candidates take the captaincy drill test, gunning for one spot as captain of Station 19. Meanwhile, Travis is serving as acting captain while Andy and Jack are away for the day; and Ben confronts Vic about her fears.

Christy considers getting a new sponsor, Nora, after witnessing Marjorie have a major meltdown in a grocery store, and Bonnie tries her hand at being a supportive friend.

When Jen is offered a custom painting as payment from a hot new artist, she is thrilled until she sees the final product. Also, Sophia convinces Matt and Colleen to use her idea for a children's book but it isn't a new concept; Tyler and Clementine advertise their tiny house as a rental property; and John and Joan fall prey to a sleazy IRS scam.

Why Paper Boi always got an attitude? He rich, right? That's why I can't feel bad for these celebrities.

Jamie Foxx shows Jay that he's no baby driver when it comes to doing his own stunts. Then Jay and Bond stunt driver Ben Collins recreate the iconic chase scene from "The Spy Who Loved Me." Jay gets an exclusive look at the original Mustang Steve McQueen drove in the film "Bullitt." And musician James Taylor gets reunited with the car from his cult classic film "Two Lane Blacktop." It's an action-packed look at the cars that co-star in some of our favorite films.