When Dave drops by Calvin's longtime barbershop, he's quickly embraced by its owner and patrons, much to Calvin's consternation.

The six remaining couples advance to the Semi-Finals as the competition heats up in anticipation of the crowning of the coveted Mirrorball trophy during the Season 27 finale.

All 24 remaining artists perform for a chance at a spot in the Top 13. The Voice "Fifth Coach" Kelsea Ballerini will also make an appearance.

Felicity learns something new about Oliver that shocks her. Meanwhile, Diggle asks Curtis to go undercover for ARGUS. Dinah works with an unlikely ally.

When a wealthy, high society couple are found drowned in their pool in an apparent double suicide, Murdoch suspects murder.

When Cooper asks Jake and Claire how they met, Jake keeps embellishing the story of their college romance, while Claire points out the real details of their early relationship.

When the Legends discover that kids at a summer camp have disappeared, Sara, Ava, Ray and Constantine find themselves as the new camp counselors. At camp, Ava struggles to get along with the kids, but Constantine whips up a potion that helps Sara and Ava bond with the children. Luckily, the team finds clues to the whereabouts of the missing kids, but the battle to save them leaves one member in bad shape. Meanwhile, Rory and Zari are tasked with watching the fugitive and Rory finds a kinship with their "prisoner".

After almost a decade alone on Mars, scientists at the International Mars Science Foundation's (IMSF) fully developed Olympus Town settlement prepare for the arrival of a group of highly skilled astronauts working for Lukrum Industries, a for-profit corporation specializing in natural resource extraction. In present day on Earth aboard the world's northernmost oil platform in the Arctic, extreme conditions make for a Mars-like work environment.

What starts as a simple case of a missing horse leads the team into the gardens of Toronto's elite in pursuit of a murderous jewel thief.

A man dying of lymphoma hires Magnum to find his estranged, bone-marrow-compatible brother who turns out to need Magnum's help as well. Also, Magnum's case brings back haunted memories for the guys of a past SEAL team mission that went sideways.

Bull takes on a pro bono client who was poorly advised by his public defender to plead guilty to a misdemeanor assault charge and is now facing felony manslaughter after the victim dies.

Dr. Shaun Murphy and Dr. Morgan Reznick must contend with two brothers who are bargaining over life and death. Meanwhile, Dr. Claire Brown's friend who is dying of cancer asks her for something she doesn't think she can give her; and Dr. Aaron Glassman is dealing with the effects of his treatment.

With the detained passengers secretly moved and subjected to painful experimentation - and Cal's health directly linked to them - Ben takes advantage of an old friend to find out where the passengers were taken. Meanwhile, a mysterious new version of the calling pulls Michaela into a murder investigation that has deep personal ramifications for her.

Host Neil deGrasse Tyson interviews chef Anthony Bourdain; Sasheer Zamata, Guy Crosby and Yvette d'Entremont discuss the science of food as it relates to taste, cooking and climate change; Natalia Reagan tries one of the hottest sauces in the world.

President Trump has an especially bad week, Roy Wood Jr. highlights the contributions of African-American soldiers, and actor Jeffrey Wright discusses "We Are Not Done Yet".

Coming Soon...

Stephen welcomes actor Hugh Jackman, Jeff Tweedy talks and performs, and Six-String Soldiers sit in with Jon Batiste & Stay Human.

Recent events tell a story that could reveal John's plan to assassinate Cantar Walley, so John takes preemptive measures, risking himself to divert attentions and create the illusion that the story is over.

Coming Soon...

With Gaskell's dastardly invention inside her, Jac fears for her life - but the only one who can remove this ticking time bomb is the man himself. Can she convince him to try? Meena throws caution to the wind and outs Gaskell's nefarious deeds, enlisting Essie's help in unravelling his web of lies.

As forces threaten a fragile alliance, the Pazzis embark on a murderous plan to destroy the Medicis while Lorenzo seeks to make peace with Rome.

Romesh gets caught in another jam when he's forced to put Lemon's mum Debbie up in his spare room.

The day of reckoning arrives as the circle of conspirators tightens around the Medicis during Mass, and rivals attempt to take control of Florence.