Grant, Melissa, Caity, and Stephen at the EW PopFest in LA. Alongside executive producer, Greg Berlanti.\rbr\rbrGrant Gustin, Melissa Benoist, Caity Lotz, Stephen Amell and Greg Berlanti panel.\rbr\rbrGrant, Melissa, Stephen and Caity at the EW PopFest. Alongside Greg Berlanti.\rbr\rbrEW Popfest - CW Arrowverse Panel (Grant Gustin, Melissa Benoist, Caity Lotz, Stephen Amell) EW Popfest, The Flash, Arrow, Supergrl, Legends of Tomorrow, .\rbr\rbrWatch Flash, Arrow, Supergirl, and Legends stars Grant Gustin, Stephen Amell, Melissa Benoist and Greg Berlanti talk about their epic crossover at the CW .