Ever wanted to know when Grace will be returning to Hawaii Five-0. Showrunner Peter Lenkov confirmed today on the Mike Buck Radio Show in Hawaii that Grace is back in Hawaii filming 4.12 right now. Official News below from H50 Undercover via Officer808. Thanks Officer!
Also it looks like Adam will be returning to Hawaii as well. He posted this on his Instagram page yesterday also
As the crew is very strict with pic posting now on the Social Media sites we may not be able to get the official pic right up until the episode is shown late in December or in January.
Also to be in the episode:
Peter Weller is back directing the episode he directed and starred in 'Hookman' last season.
Sources: Hawaii Five-0 Undercover on Facebook & Ian Anthony Dale on Instagram