A storm is brewing on the 'Five-0' horizon... Hawaii Five-0's Gabriel Waincroft is only just getting started. Hawaii Five-0' Season 6: 'Really Fun' Hurdle Coming For McDanno, EP Teases Trouble If you thought shooting Adam (Ian Anthony Dale) and torturing Kono (Grace Park) was Gabriel (Christopher Sean) at his worst, you should think again.

McRollins is rolling forward and Danny's nephew is back in episode 3 Proposals and reunions are the order of the evening for Hawaii Five-0's third episode.

Get a behind-the-scenes look at season 6 Hawaii Five-0's Chin Ho Kelley is ready to take down a rogues' gallery worth of baddies to keep paradise safe.

Not everyone is happy last season's homicidal firebug is now behind bars Hawaii Five-0 will bring back a terrifying criminal as season 6 begins. Hawaii Five-0' Season 6: It's His 'Bravest' Mission Yet, McGarrett Officially Has An Engagement Ring! MMA fighter Randy Couture will reprise his role as arsonist Jason Dunclair (now billed as Jason Sinclair) in episode 2, "Lehu a Lehu (Ashes to Ashes).