"Back to the Future" writer and producer Bob Gale curses at fans when constantly asked about "Back to the Future 4."

Back to the Future: The Musical, nominated for two Tony Awards, closed on Broadway last month. It showed at the Winter Garden Theatre for 18 months and grossed $1.9 million.

After being asked about the possibility of a “Back to the Future 4,” Gale told Yahoo Entertainment, “People always say, ‘When are you going to do ‘Back to the Future 4?’ And we say, ‘F–k you.’” The first sci-fi flick, “Back to the Future,” premiered in 1985 followed by “Back to the Future Part II” in 1989.

Back to the Future 4 is a sequel many fans want to see, and co-creator Bob Gale has two words for those waiting for the film.

Back to the Future co-creator and writer Bob Gale had a strong message for fans hoping for a fourth entry in the iconic sci-fi film series. What did Bob Gale say about a Back to the Future 4 possibility?

Bob Gale co-wrote all three Back to the Future movies with director Robert Zemeckis; suffice to say, a fourth film is not in the works.