Television News 'Timeless' series finale movie to air on NBC on December 20 10/28/2018 NBC said it will air its "Timeless" series-capping movie on December 20. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Abigail Spencer Matt Lanter Sakina Jaffrey Malcolm Barrett Paterson Joseph Abraham Lincoln Timeless
