Writer Steven Knight is hoping for a Peaky Blinders film when the series comes to an end.
The creator of the Birmingham crime saga will look at spin-offs when the final series wraps.
He said he would avoid a prequel and wants to stay clear of celebrity cameos, after ex-Oasis singer Liam Gallagher expressed interest in making an appearance.
The writer expects to take his long-form series to the cusp of the Second World War by the final series, then move to the big screen.
He said: “I’m writing series six at the moment. That’s almost done.
“Then I’m going to do series seven, then I’m looking at spin-offs, maybe a movie.
“It’s up to us. It’s up to the people involved.”
Knight said he would make a decision on the future film version along with star Cillian Murphy and producer Caryn Mandabac.
The writer has said he would likely steer clear of a prequel.
Given the timescale involved, it would end up being a First World War film, he said.
He added: “The problem with prequel is you’re limiting yourself as to where it can go. You can’t kill a character who can show up in the series.”
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