Highlights of the annual celebration of geek culture include autograph sessions, celebrity-photo sessions, celebrity-Q&A sessions, costumes, workshops and seminars, an exhibitor area, an artists' alley, sketching duels, a Star Wars kids' hour, steampunk artisans, anime voice actors, cosplay panels, sci-fi and fantasy author book signings, web series for grownups, an indie pavilion, and Lolita fashion artisans. Participating celebrities include William Shatner (Star Trek), Brent Spiner (Star Trek: The Next Generation), John Barrowman (Arrow), Stephen Amell, Karen Gillian (Doctor Who, Guardians of the Galaxy), and Lance Henriksen (Aliens, Millennium).