EXCLUSIVE: How 'Star Trek Beyond' Pays Homage to the 1960s TV Series and Leonard Nimoy

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Star Trek Beyond
is going back to the beginning.

The third installment in the rebooted franchise hits theaters July 22 and its arrival officially marks the 50th anniversary of the 1960s TV series. So, how will Beyond pay tribute to what came before it? Chris Pine, who plays Captain Kirk, promises there will be "some throwback stuff."

"I think everybody behind the scenes wanted to pay real, true homage to the '60s birth of this series," the actor told ET from the set of the film. "I think it has this kind of throwback flavor."

WATCH: The First 'Star Trek Beyond' Trailer Looks Absolutely Thrilling

First up: New uniforms for the crew -- complete with shoulder pads!

"It's a little retro, which I really like," said Karl Urban, who plays Leonard "Bones" McCoy. "The designers have done a wonderful job of giving a lovely nod to Star Treks of past."

Star Trek Beyond
also marks the first film since the death of Leonard Nimoy in February 2015. The original Mr. Spock passed away from pulmonary disease at the age of 83. Pine opened up about how the film honors him.

"The film itself is kind of tribute enough," he explained. "Leonard was a special, special man. I think his spirit has been infused in this incarnation from the beginning, from the first film. We miss him dearly. We wish he could be a part of this, but we know he's in a good place."

Meanwhile, we got scoop from Sulu himself, John Cho, about surprising crew revelations we'll discover in Star Trek Beyond -- including a secret baby! Find out what he had to say in the video below: