Humans concluded its third series almost two months ago in the UK, but there's still no official word on a renewal.

Appearing on BBC Radio Kent's The Dominic King Show, Humans co-creator Sam Vincent confirmed that talks are still ongoing about a possible fourth run of the sci-fi series.

"There's still the possibility of a fourth season of Humans, but there's so many moving parts to these kind of decisions [so] that's still rumbling on," he explained.

Kudos Channel 4

Related: Humans season 4: Cast, release date, renewal and everything you need to know

Vincent went on to say that he and co-writer Jonatha Brackley are "sort of in-between things at the moment, still figuring out what to do next."

The pair – who also previously worked together on Spooks – are currently "taking advantage" of the hiatus to write a film script.

The third series of Humans – which airs on Channel 4 in the UK, and AMC in the US – ended with the shock demise of Mia (Gemma Chan) leaving Niska (Emily Berrington) as the de-facto leader of the Synths.

Kudos Channel 4

Niska, though, had evolved to reach a new stage in Synth evolution, while Mattie (Lucy Carless) was revealed to be pregnant with Leo (Colin Morgan)'s child – a human / Synth hybrid.

With a string of cliffhangers like that, it's no surprise that Vincent and Brackley have some idea of where the story will go next.

"We definitely have a story to tell, if we're lucky enough to get a fourth series," Brackley told Digital Spy, while Vincent added, "We're excited about the ideas that we have, so we just have to hope, really, and do our best to communicate those ideas to the powers that be."

Set in an alternative near-future, Humans is set in a world where human-like androids known as Synths are a common household appliance. But the AI's developing intelligence – and even sentience – has devastating ramifications for both mankind and Synthkind.

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