That's not what happened. Gaiman and Pratchett outlined a sequel to the Good Omens novel when they were at a comic book convention together in 1989, were sharin

That's not what happened. Gaiman and Pratchett outlined a sequel to the Good Omens novel when they were at a comic book convention together in 1989, were sharing a room, and couldn't sleep. Aside from that outline they were never working on it together as they were busy with their own projects. Gaiman dug up this outline and is turning it into a second season of the show.