Vallejo September 19, 2023 6:38 pm Fright Fest returns to Six Flags Discovery Kingdom in Vallejo Halloween is coming early in Vallejo this year. Six Flags Discovery Kingdom announced Fright Fest is back starting Saturday night. US & World Videos 0:23 Amber alert canceled after baby was found safe 0:56 Amber Alert issued for abducted 14-day-old child in Vallejo 1:17 PG&E power restored to thousands in Santa Rosa 3:14 Watch: California Forever CEO discusses future of Solano County plan 0:47 Petaluma teen skateboarder qualifies for Paris Olympics