A gif of Barry and Iris over the years!
— A Cousland ⚡️💜 (@sunshinehappier) March 5, 2020
The years are based on they year the books/ movie/episodes/ were released.
So basically if there was a book released that year that had an image of them, regardless of where that image fits in the timeline.#WestAllen #64YearsOfWestallen pic.twitter.com/ZT55xMmaoL