Television News 'Arrow', 'The Flash' and 'Supergirl' crossover event arriving in December 08/22/2018 The CW has announced three of its DC superhero dramas -- "Arrow," "The Flash" and "Supergirl" -- will crossover with each other starting in December. 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: Ruby Rose Arrow The Flash The Flash Legends of Tomorrow Supergirl Black Lightning
