NCIS: Mark Harmon’s Gibbs Is ‘Close To Redlining’ In Season 17’s 2020 Return December 28, 2019 editor News 0 Share Content NCIS: Mark Harmon’s Gibbs Is ‘Close To Redlining’ In Season 17’s 2020 Return Gibbs is close to his limit in the Season 17 return. Source: cinemablend.com Click to READ MORE