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Trivia: While "A Cold Day in Hell" was filming, Kevin Bacon, who co-starred in the original film, was working on a pilot for a "Tremors" TV-series, as he had long wanted to return to the franchised, but wanted to to move it to episodic television. Unfortunately, shortly before this film was released, the series was passed on by the intended network. Around the same time, co-star Michael Gross announced that Universal was already interested in producing a seventh film, should this sixth film be successful.

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Trivia: There's a running gag about Burt wearing a new hat, and how it throws everyone off. And it's true - this is the first film in the series where he isn't seen wearing an Atlanta Hawks hat at some point. (Instead he wears a Chicago Cubs hat). According to the documentary on the Blu-ray of the original Tremors, Burt wore an Atlanta Hawks hat in the first movie because the production had been given a large stock of them, and thus a Hawks hat became a staple of Burt's costume throughout the franchise. Michael Gross himself, however, is from Chicago, and in 2016, between the production of the 5th and 6th movies, the Cubs won the World Series (as mentioned in this film). Thus, Gross, a producer on the films, switched to the hat of his favorite team to honor the championship.

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