Hawaii Five-0 took on zombies last Halloween, but this year Steve McGarrett's team will deal with a slasher-film wannabe.

McGarrett's New Woman Revealed On 'Hawaii Five-0', Flashback Promised For 'Ho'oilina'

Someone will reenact scenes from their favorite cult horror film during "Ho'omā'ike (Unmasked)," and the Five-0 will have to track down Oahu's latest Jason Voorhees while their MEs don their best costumes (see photos above).

 Titled "Ho'omā'ike (Unmasked)," the hair-raising episode will actually air on All Hallows Eve. Directed by Joe Dante, the hair-raising episode will feature a story by David Wolkove.

Danno Gets New Love Interest On 'Hawaii Five-0'? Detective Sparks With Co-Worker

Before the pumpkins and sugar-hyped kids take to the streets, however, Danny (Scott Caan) will have to finish his feud with Marco Reyes (Anthony Ruivivar). The Detective's ongoing battle to save unearth his brother's missing millions will reach a climax during next week's "Ka No'eau," and it looks like the bundle of cash Danno dug up won't fulfill the $18.5 million ransom Reyes is demanding. Instead, Williams and Chin (Daniela Dae Kim) may turn to Gabriel Waincroft (Christopher Sean) for the extra cash.

Find out more when Hawaii Five-0 airs Fridays at 9 p.m. ET on CBS. Click the video below to see a preview for the series' next episode.