Greta goes to work with Marv, and Godcat and Devilcat watch the movie "Armageddon." Travis and Abbie follow Aidan to Heck — not Hell.

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.

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