Science Showcase is a magazine company located in Central City.
Science Showcase did a front page article where its writer wondered about the safety of the S.T.A.R. Labs particle accelerator.
It was raining heavily in Starling City when Barry Allen arrived and he didn't have an umbrella, thus he used the Science Showcase magazine he had brought to attempt to shield himself from the downpour.
Behind the scenes
- Science Showcase is likely a reference to Showcase #4, which had the first appearance of Barry Allen.
- Other than John Constantine himself, Science Showcase is the only link between and the rest of the Arrowverse.