Hari finds himself trapped in a mysterious prison. An assassination attempt leaves Day shaken. Gaal and Salvor devise an escape plan.

Gaal has a disturbing vision. Day's bond with Queen Sareth grows stronger. The Vault opens and reveals a cryptic message.

The Empire recruits Bel Riose to investigate the resurgent Foundation. Hari leads Gaal and Salvor to a desert planet.

Queen Sareth and Dawn share a moment as she tries to learn more about Day. Brothers Constant and Poly bring Hober Mallow to Terminus.

Gaal, Salvor and Hari arrive on Ignis and meet the source of a strange signal they've been tracking. Dawn and Dusk are suspicious of Day.

Salvor begins to question the Mentalics' motives. Hober Mallow's proposal to the Spacers meets resistance. Brothers Constant and Poly stand trial.

Enjoiner Rue confides in Dusk about her distrust of Demerzel. Hober Mallow pulls a daring move. Day sets course for Terminus and the Foundation.

Dusk and Enjoiner Rue learn Demerzel's origin and true purpose. Tellem's plans for Gaal take a dark turn. On Terminus, Day confronts Dr. Seldon.

Season finale. Gaal, Salvor, and Hari chart a new path forward on Ignis. Demerzel heads to Trantor, taking actions that will change Empire forever.