Tonight, either Da'Vonne or Bayleigh will be sent packing, but not before a showdown sends shock waves through the house. Plus, an epic endurance competition begins.

Determined to prove his utility to their family unit, Father tries to teach the children how to hunt some of Kepler-22b's mysterious creatures for food. Meanwhile, after the Mithraic make a stunning discovery that potentially fulfills one of their prophecies, a debate about how to proceed ignites a conflict between Marcus and Ambrose, their leader.

While the town prepares to celebrate Katie Holmes Day, Jack and Marissa plot to ruin the holiday.

While the team searches for the person behind the crime in Koreatown, McKenna is affected by her memories of Iraq. At the same time, Syd discovers a bond with Jen and an unexpected client.

Under Marcus' command, the Mithraic set out on a deceptive path to rescue the children, and along the way, encounter a fellow survivor from the Ark. Back at the settlement, Campion and Paul bond during a hunting expedition with Father, Mother attempts to learn more about her origins, and Tempest's trauma continues to haunt her.

Ronny Chieng reacts to a campus controversy involving a Chinese word, ex-FBI agent Peter Strzok discusses his book "Compromised", and Samuel L. Jackson talks about his docuseries "Enslaved".

Conan welcomes comic actor Kevin Nealon.

Jimmy puts some things out to pasture in a new Go On, Git, challenges The Roots to improvise songs about NFL players in another Freestylin' with the Roots, and interviews musical guest Miley Cyrus.

Bill scares his friends when he cannot be persuaded against a newfound obsession. Bill and Regina hook up during her bachelorette party and John tries to keep his mom from walking in on them.

The lovable, but awkward, Ensign Fletcher makes work difficult for Mariner and Boimler. Rutherford introduces Tendi to a holodeck training program he created.

Emma's behavior becomes a cause for concern, Kwesi and Lu team up on a plant mystery, and Lex makes an impulsive decision with far-reaching consequences.

A year after her mom passed away, Julie plays one of her old CDs. Suddenly, three ghosts appear - the guys from the '90s band Sunset Curve!

Keef grapples with the fallout from the previous day's events while trying to put his life back in order.

James welcomes singer-songwriter Usher and a musical performance by Joan Jett.

To celebrate her daughter Olive's birthday, Katherine visits a fertility clinic to discuss the odds of giving her a sibling with help from a sperm donor.