Magnum P.I. is coming back to TV! Does that mean it's time for to regrow our 'staches from the '80s? Entertainment Weekly reports that CBS has given the final thumbs-up for a reboot of the '80s series that starred Tom Selleck as a private investigator living and working in Hawaii.For the new version, Thomas Magnum will be played by Jay Hernandez, and the character will be an ex-Navy SEAL returning home from Afghanistan.Hernandez caught fans' eyes with his performances in Bad Moms and Suicide Squad.The original Magnum P.I. aired on CBS from 1980 to 1988. The reboot is expected for the 2018-19 season.