While the Orville is in space dock for a systems refit, the crew deals with the fallout of the battle with the Kaylon – and the fact that one of their own betrayed them.

After negotiating passage with the Krill the Orville explores a mysterious region of space, along with an Admiral who has a close connection to Claire's past.

The crew investigates a planet believed to be desolate, only to find signs of a teeming civilization. But when they investigate the away team becomes trapped in what looks to be a twenty-first century American high school, followed by a series of increasingly strange environments.

The Union attempts to negotiate a peace treaty with the Krill, calling on Ed and the Orville crew to transport delegates to the homeworld of their former enemy – where Teleya is working to incite an uprising.

While the crew investigates the remains of a long-extinct civilization, Kelly offers to take young Topa under her wing and learns that he is experiencing a deep and personal grief he does not understand.

After a temporal accident sends Gordon back to Earth in the year 2015, the Orville mounts a rescue mission – only to find that Gordon has made a life for himself.

After the women officers take over the ship during negotiations with a strongly matriarchal society, Ed leads a team to investigate a nearby planet where they find a very unusual Kaylon.

Topa joins Bortus and Kelly on a trip to inspect a flourishing colony of Moclan women, where the elder Haveena reveals a secret that could put Topa in danger.

After successfully testing a weapon of mass destruction the Union gives the Kaylon an ultimatum in hopes of forcing a ceasefire. But matters are complicated by a new alliance between the Moclans and Krill.

While Claire considers an unexpected proposal from Isaac, Captain Mercer grants asylum to a young woman from Sargas 4 – who soon comes to have regrets over leaving her troubled world behind.