To show Travis they really love him, Abbie and Marv plan a last minute half-birthday rager. Godcat summons the cherubs to see the wonders of Earth.

Greta enters a rocket-building competition sponsored by billionaire Jefflon Bezmusk. Meanwhile, Travis moves out — and the cats get inside Marv's head.

Devilcat takes Godcat as her plus-one to a wedding in Hell. Travis goes back in time to undo his biggest regret — but changing the past has consequences.

Devilcat takes Abbie and the kids on a hellish road trip to Halcyon Springs to meet her long-lost mother. Godcat helps Marv ask for a promotion.

Devilcat and Godcat go to SeaWorld, Marv drags Abbie to a "work thing" aboard a corporate blimp, and Greta helps Travis track down a troll.

It's good vs. evil as the cats compete in the God Games for control of Heaven and Hell. Travis' friends turn against him. Marv inherits a mess at work.

Chaos brings the Higgins family closer together as Godcat and Devilcat face their final challenge: making humans go against their own nature.