Katie and Greg throw themselves into PTA politics when they learn that Anna-Kat’s special needs teacher, Dr. Ellie, has been cut from the school budget. Greg gets elected to the PTA, and things are looking good, but can Katie keep her mouth in check long enough to win the votes they need?

When famous author DC Parlov receives death threats, Jake and Terry take the case, so that Terry can meet his lifelong hero. Back at the precinct, Gina forces her way into the Boyle clan of cousins in an attempt to choose the location of the annual Boyle family vacation. Meanwhile, Holt's anger peaks when Amy chooses Kevin's side in their argument about a math puzzle.

It's a family reunion when Dawson and Antonio's mother and father come to Chicago for their big anniversary party, but things quickly turn south. When a deep secret comes to the surface involving his stepson James, Chief Boden decides to take matters into his own hands. Meanwhile, Casey tries to save a young boy during a harrowing call to a warehouse and Otis and Kidd become competitive at the mud-hundred race.

Lin-Manuel Miranda tells the story of Alexander Hamilton, his nemesis Aaron Burr and their infamous duel to the death.

After losing half their team, the remaining members look for answers as time begins to run out for Ghost Rider.

In order to land the soon-to-be open principal's position at her school, Jess must impress the disapproving president of the Parents' Council. Winston puts his undercover skills to the test and Nick struggles to come up with the perfect wedding gift for Schmidt and Cece.

Bob Lee reaches out to Nadine while evading his pursuers. Isaac juggles his double life while trying to find Bob Lee.

Episode info coming soon ..

When aliens called the Dominators attack Central City, Barry speeds over to Star City to ask the Green Arrow for help in stopping them. Realizing the battle against the Dominators is bigger than they thought, they track down the Legends of Tomorrow, and Barry and Cisco create a breach to bring back a secret weapon – Supergirl. Once all of the super friends are assembled, they come up with a plan to attack but a shocking secret related to Flashpoint is revealed and suddenly no one is sure who they can trust. Meanwhile, Wally wants to join the battle against the aliens but Iris tells him he’s not ready.

Frankie is upset that Axl refuses to answer her calls or texts after she unintentionally admits her true feelings about his girlfriend April. Brick forms a tick in the form of a phrase that causes him trouble; Brad surprises Sue.

Pat's brother Dwayne (who is also Aunt Jodi's ex-husband) comes to town to help Pat build his new "tiny house" in the garage. Shannon realizes Jodi and Dwayne still have chemistry, and tries to get them back together. Meanwhile, when Eileen becomes addicted to a CrossFit class she's taking with Kenny, he must find a way to break the cult-like hold it has over her.

Episode info coming soon ..

Seven artists will be revealed as safe by America's votes. The bottom three artists will then compete for the Instant Save and two will be eliminated. A musical performance by Dolly Parton, Pentatonix, and Miley Cyrus.

Kate, Kevin and Randall head to their family's cabin to get away after their chaotic family Thanksgiving. A very angry Randall finds comfort and explanation from his father, Jack. Olivia speaks a harsh truth to Kate, which drives a wedge between Kate and Kevin. Rebecca and Jack struggle with what to do when 9-year-old Randall tells them that he's been looking for his birth parents.

Mandy Moore, Milo Ventimiglia, Chrissy Metz, Susan Kelechi Watson and Creator Dan Fogelman sit down for a no-holds-barred deep dive on Episode 9, "The Trip."