Cops staged the most exciting show on Broadway Saturday night — frantically evacuating at least two blocks in the heart of the theater district after someone spotted an illegally parked truck with wires coming out of the dashboard and gas cans in the back.

The streets and street-side businesses on West 46th Street between Broadway and Eighth Avenue, as well as part of Broadway, were emptied around 8 p.m., but the shows were allowed to go on at the two theaters on 46th Street, playing “Hamilton’’ and “On Your Feet’’ — although many shows started at least 15 minutes late.

At about 8:30 p.m., cops gave the all-clear after finding the gas cans were empty and the wires were harmless.

The crowds were allowed to return after the driver was taken away for questioning, police said. It was not clear if he’d be charged with anything.

“I didn’t expect that kind of excitement outside the theater,’’ said Nicholle Perry, of San Francisco, who had tickets to “Hamilton’’ that she bought in August.

She was stopped only steps from the entrance. “I didn’t think it was a big deal. I thought I could walk around the block,’’ she said.

But that way was closed off also and, despite the late curtains, she arrived 20 minutes into the performance.

But it was worth the trouble, she said, adding, “The show was amazing.’’

Times Square is completely shut down due to a suspicious vehicle. #nypdpic.twitter.com/EwLpHEhlA8

— makinateck (@teckmakina) April 3, 2016

Un joven apuñaló a otro y amenazó con una bomba. Falsa alarma #TimesSquarepic.twitter.com/W2s1z03Ljg

— Max Robilotte (@maxrobilotte) April 3, 2016