After the Orville crew defeats a Krill attack on a brand-new colony, the Union sends Ed and Gordon on a dangerous undercover mission to infiltrate a Krill ship and obtain a copy of the Krill bible, the "Anhkana," to better understand the enemy.

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

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

The Kaylons take control of the Orville with the intention of destroying all biological lifeforms.

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

The Orville explores a mysterious region of space.

The Orville crew makes a new discovery.

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

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

The crew visit Haveena's sanctuary world and embark on a journey that may leave the Union more vulnerable.

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