Mythbusters Former 'MythBusters' co-host Grant Imahara dies unexpectedly at age 49 07/14/2020 Former MythBusters co-host Grant Imahara has died at the age of 49 from a reported brain aneurysm. Read More RELATED NEWS Former 'MythBusters' co-host Grant Imahara dies unexpectedly at age 49Adam Savage returning to 'Mythbusters' family as host of new 'MythBusters Jr.' spinoff'Mythbusters' trio Kari Byron, Tory Belleci and Grant Imahara to star in new 'White Rabbit Project' Netflix series TAGS: Adam Savage