Season 4

Lone wanderer Sid and warlord Freya struggle to adjust after moving from the apocalyptic wasteland to the suburbs.

Freya runs for president of the Boomtown Homeowners Association. Morris takes Sid on a perilous business trip.

Sid and Freya try to improve their sex life with couple's therapy. Morris attends his high school reunion.

Sid tries to help Morris get his son into a prestigious school. Freya attempts to prove she’s not too old to party.

Morris puts on a theatrical production of Ace Ventura: Pet Detective. Sid goes on a weekend trip with Tai and his friends.

Sid and Freya visit Freya’s parents. Morris and Tai share an intimate evening together.

Sid buys a flashy new vehicle called a “Bifi” and it starts to become his whole personality. Scraps returns to his old village.

Sid and Freya find out Freya is pregnant, and Morris throws them a baby shower. Tai has to pet-sit Scraps while going back in time to terminate the future leader of the human resistance.

Freya reunites with her old gang of war dogs. Sid joins an anti-robot extremist group. Tai enters a talent competition to prove he’s not obsolete.

The final battle for Boomtown.