11 Years Ago Today, the First Arrowverse Crossover Event Happened (And It Changed Everything for DC on TV)

Superhero TV shows didn’t always share universes like they do today. A turning point for DC came with a specific crossover event – “Flash vs. Arrow.” This episode, which brought together the characters from Arrow and The Flash eleven years ago, demonstrated that separate superhero shows could successfully connect, tell a larger, shared story, and even open the door for expanded storytelling within their worlds. It fundamentally changed how superhero TV was made.








