As the saying goes, "rules are made to be broken." But what if the rules are there for a reason? Several members of the team must examine the reasoning behind certain rules after consequences to questionable actions come to light. Whether the rules were broken because of love, loyalty or revenge, does the end justify the means?

Chastain picks up the pieces after the fall out with the corrupt medical device company Quovadis, leaving Marshall ready to charter new territory in the medical field, and Devon to finally discover the truth about what happened to Julian Booth. As Conrad and Alec team up to help a young gymnast experiencing mysterious symptoms, Nic focuses on her sister, who's back with their estranged father, Kyle, in tow. Meanwhile, Bell rushes to Kit's aid when her ex-husband comes to the ER needing emergency surgery.

When Calvin and Dave's college basketball teams go head to head, Dave surprises the Butlers with tickets to the game and also invites one of his best friends from Michigan, Logan #2, who reveals to Calvin surprising new details about Dave.

Rex proves himself as a member of the Major Crimes team when he tails a kidnapper. Meanwhile, the clock is ticking as Charlie and the team realize the abduction is part of an elaborate plan.

Contestants battle it out in group rounds and solo performances in the hope of advancing to the next round of the competition. Also, don't miss a surprise on-stage marriage proposal.

The artists take the stage for the Battle Rounds! The coaches enlist Charlie Puth, Kelsea Ballerini, Brooks & Dunn, and Khalid to prepare their artists for a dueling duet. Winning artists proceed to the brand new round, the LIVE Cross Battles.

Laurel learns about some damaging information that affects Emiko. Always looking to protect his sister, Oliver invites Laurel to help investigate, which makes Felicity happy as her friend is now working with the team. However, when things go awry, Felicity is forced to make a choice between the team and Laurel.

When Adam offers to eat a vegan diet with Kate in an effort to bond with her, his love of meat proves a hard habit to break.

When Farmtruck finds a fleet of old cop cars at the salvage yard, he and AZN decide that the best use for them would be a giant demolition derby, the likes of which the 405 has never seen. Drivers from OKC, Texas, and Mississippi all get to work.

Look back at how Chimney joined Station 118 and became the firefighter and paramedic he is today.

When Magnum and Higgins get "yacht-jacked", Higgins is shot and she and Magnum are stranded at sea, struggling to reach land before she bleeds out and the culprits return to finish them off

When rookie homicide detective Kate Jameson leaves her service weapon unattended, her gun is stolen and she faces dire consequences.

A violent man who threatened his neighbors redirects his anger toward deputies; one suspect vehemently blames his friend for the items found in his pants; a driver in crisis gambles with everyone's lives, including his own.

Francine becomes obsessed with home security after a break-in rattles her. Steve tries on Hayley's laidback approach to school work.

Pilgrim leads the hunt for near-fatally wounded Sunny; The Widow confronts her inner demons in an attempt to restore her Gift.

It's finally time for the Toilet Bowl 500, and the racers are ready to do some serious damage. Chuck and Reaper seem like early favorites since they brought such serious cars, but wildcards like Tina, Ed, and Monza take a stand.

Banished from the Knights Templar after the discovery of his affair with Queen Joan, Landry must work to redeem himself under the watchful eye of a mysterious veteran of the Crusades. King Philip formulates a plan to take action against the Templars, while dealing with the return of his erratic, eldest son, Prince Louis.

Once Shepherd convinces Keaton that Anna Cruz is a mole inside the FBI working for Tal, Keaton decides to keep his enemies close. With a fox in their henhouse, Keaton and the team spy on one of their own, hoping Cruz will lead them to Tal.

Maya and Matthew search Sevvy's house for anything that might lead to an arrest as they face mounting pressure from Wiest to build a case quickly. Meanwhile, Ezra tries to clean up Sevvy's image and finds a new suspect to take the attention off of his client.

Trevor and Roy Wood Jr. react to Robert Mueller's report clearing President Trump of Russian collusion, and Abbi Jacobson and Ilana Glazer reflect on the end of Broad City.

Boxer Conor McGregor; comic Michael Che; actress Rachel Feinstein; restaurateur Frank Pellegrino Jr; a special episode filmed in various NY locations using a phone camera.

Stephen welcomes Senator Elizabeth Warren, actor Tony Hale, with musical guest Paul Simon.

Karim visits Nina at the clinic for help finding the secret entrance to the house. Meanwhile, Hap meets a fellow traveler, and Homer goes on a date.

James welcomes actor Max Greenfield, actress Maggie Siff, with musical guest Dido.

Ange follows a hunch and ends up uncovering a shocking and long-buried secret - one with the potential to completely tear her life apart. A downbeat Frieda faces tough choices when an old friend of Roman's appears in Holby in desperate need of help, while Cameron and Xavier are forced together on Darwin, where Xavier appears to take delight in Cameron's dating woes.

Holt gets grilled by the cops while Chris and Veronica are abducted by the Critters.

The Quinn family cause uproar at a family wedding, and the consequences of the girls' bad behaviour are very serious, especially for cousin Eammon.