BURBANK (CBSLA) — “Star Wars” fans at a Burbank theater went to the Dark Side when a screening of “The Last Jedi” played without sound for 20 minutes.

Moviegoers were ready to stage a new rebellion when an AMC Theater in Burbank either could not or would not restart the 10 p.m. showing of the film.

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An angry stream of fans, some in Jedi costume, stormed the lobby, screaming and yelling, over the lack of sound.

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Many ticketholders pointed out that they bought their tickets months in advance.

Burbank police were called to the theater at about 10:21 p.m. to disperse “an unruly crowd.”

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The theater offered refunds or to move ticketholders to a non-IMAX screening, or to return Friday for another screening.