The Flash premiered on The CW 7 years ago today. It not only expanded the Arrowverse, it reinvigorated the genre and delivered one of the best first seasons in comic book TV history.
— Bam Smack Pow (@BamSmackPow) October 7, 2021
Happy Flash day, Flash! ⚡️⚡️ pic.twitter.com/67DgY7r6YQ