ABC invites new and loyal “Once Upon a Time” fans to celebrate the magical fifth season premiere with an in-depth look at the series in the unique special, “Dark Swan Rises: A Once Upon a Time Fan Celebration,” which will explore what will happen next as Emma Swan becomes the Dark One and will highlight the characters fans love, including the incredible stories that have created an extraordinarily passionate fan base. Cast members will answer fan-submitted questions and discuss favorite moments as voted on by fans, giving viewers an authentic perspective as they dish on various characters, relationships and backstories. The special also features interviews with executive producers Edward Kitsis and Adam Horowitz with exclusive insights about the season fans won’t want to miss.