Hawaii Five-0 let fans choose the details, and now their letting viewers get a glimpse behind the scenes.

Danno Suffers During 'Hawaii Five-0' 'Blood Brother' Bonding Episode With McGarrett

The CBS drama invited fans to vote on the details of season 4's episode 18, and the cast and crew recently took to Twitter to show viewers' their ideas in action.

Part of the "Fan Built Five-O" initiative, viewers were recently given the chance to vote on several aspects of an upcoming episode including the scene of the crime, the murder weapon, the victim, the suspect, the evidence, the takedown, and wardrobe.

 Fans Can Vote On More Elements For Upcoming 'Hawaii Five-0' Episode, Chin Ho Kelly Acquires Romantic Admirer

Now that participants have concluded that a macadamia nut tycoon will be killed by a black, five-inch stiletto during Chin Ho Kelly's (Daniel Dae Kim) high school reunion, filming has begun on the untitled episode.

"Our loyal #H50 fans voted for Chin's high school reunion and we're making it happen! Sneak peek photo from the set!" tweeted writer/producer Christina M. Kim.

Browse through the photos above to see Daniel Dae Kim's hidden talent, see the return of Jorge Gracia as Jerry, and get a first look at the murder weapon.

"Recognize the stilettos, #H50 fans? Tune in to the #H50FanBuilt episode to find out who's wearing these sexy kicks!" Christina M. Kim captioned a pic of the deadly heels at the end of January.

Hawaii Five-0 airs Fridays at 9 p.m. ET on CBS. Click the video below to see a preview of the series' latest episode, "Sins of the Father."