With the release of the fourth season of Breaking Bad spin-off show, Better Call Saul, fans have continued their persistent demands to see the shows crossover. There's particular clamour to see the return of seeing cast favourites Walter White and Jesse Pinkman.

In promoting the new instalment, which has been getting excellent reviews, show creator Vince Gilligan spoke to Vulture about the possibility of further spin-offs.

When asked whether there was "another prequel or sequel in this universe?", Gilligan responded, "Never say never. I have to be very coy, but I just … here’s the thing, I want to … it’s tricky. I’m greedy."

"I want us to have as much fun with this world, with this universe, and these characters, as we possibly can," he said. "Now we’ve got four seasons and counting of Better Call Saul, and if people are paying attention, they might be thinking, “This guy’s going to milk this cow until it runs completely dry.” Selfishly, I want to see more of these characters and this world, but I don’t want to drive it into the ground."

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He continued, "How much is too much? That’s very much in the eye of the beholder, and the eye of the individual fan. I don’t know how long this goes. I don’t know how many spinoffs it could support. I don’t know whether we should do any more or not, or is there something else we could do? That’s a very unsatisfying answer, but I’m taking it day by day and trying to figure it out."

Gilligan told Vulture that "The worst thing you could do for yourself, and for the fans, is to BS your way through it" and in discussing losing the audience's trust he said, "I’ve seen it get lost other places. It’s a terrible thing, and once you lose it, it doesn’t come back. There’s a lot of things I could bear losing in my life, but that would be bad."

Sounds like both fans keen to see more and those worried about the spin-offs running out of steam should be reassured.