A celebration is underway aboard the ship on the season three finale of "The Orville: New Horizons".

The creation of a powerful new weapon puts the Orville crew — and the entire Union — in a political and ethical quandary.

The Orville crew visits Heveena's sanctuary world and embarks on a journey that may leave the entire Union more vulnerable.

The Orville discovers a Kaylon with a very special ability.

The crew must rescue Gordon from a distant yet familiar world.

Tensions between Kelly and the Moclans result when she helps Topa prepare for the Union Point entrance exam.

The Orville crew leads a Union delegation to sign a peace treaty with the Krill.

The Orville crew makes a new discovery.

The Orville explores a mysterious region of space.

The Orville crew deals with the interpersonal aftermath of the battle against the Kaylon.

The crew must contend with the disastrous fallout from Kelly's decision.

A time distortion affects Ed and Kelly's relationship.

Ed discovers that Moclans aboard The Orville are harboring a secret.

The Orville crew members open a time capsule from 2015.

Ed must initiate peace talks with the Krill.

Ed and the crew travel to Isaac's home planet Kaylon.

The Orville crew is surprised when Claire's personal life takes an unexpected turn, and Gordon makes an unusual grooming suggestion to Bortus.

The Orville makes First Contact and a new crewmember joins the ship.

Ed finds himself behind enemy lines when he crash-lands on a mysterious planet. Meanwhile, Kelly questions why Gordon wants to take the Command Test.

Ed, Gordon and Alara visit Alara's home planet of Xelayah.

Ed and the crew race to save a small group of survivors on a planet about to be destroyed by its sun. Meanwhile, Bortus and Klyden start marriage counseling when Bortus' obsession with the ship's simulation room gets out of hand.

As The Orville heads towards Moclus for Bortus' special once-a-year ceremony, Ed discovers Kelly has moved on and has started dating. Meanwhile, Gordon asks for John's help in getting game, and Claire turns to Isaac for parenting advice.

The crew crash land on a planet from another universe; Ed and Kelly consider getting back together.

The Orville gets damaged by a spatial anomaly causing harrowing effects to all living things.

Alara questions whether she's fit for her job when a fire breaks out on the Orville and a crew member dies.

While the crew attempts to mediate a peace treaty between two warring cultures, tensions rise between Ed and Kelly when a familiar face comes aboard.

The crew set out to save Dr. Finn, her two sons and Isaac, after their shuttle gets thrown into uncharted space.

Kelly leads a team to find two missing Union anthropologists on a planet similar to Earth.

Ed and Gordon are sent on a undercover mission to infiltrate a Krill ship and obtain a copy of their bible.

Ed becomes smitten with the captain of a stranded ship, but Kelly suspects all is not what it seems.

The crew encounters a vessel adrift in space that's about to collide with a star.

Bortus and Klyden debate whether their newborn child should have a controversial surgery.

Alara must take command of the Orville when Ed and Kelly end up imprisoned in a replica of their old home.

In 2417, Ed Mercer is promoted to Captain of the U.S.S. Orville, but his enthusiasm is dampened when his ex-wife is assigned as his First Officer.