Ultraman Chronicle D is a biography series produced by Tsuburaya Productions created to commemorate the 25th anniversary of Ultraman Dyna. It features the main casts, Alien Metron "Marluru" of Ultraman Trigger: New Generation Tiga and Deban from Ultraman Tiga as navigators in an old house welcoming guests as they describe the past exploits of Ultraman Dyna and Ultraman Trigger in their respective shows.