Full Steam Ahead! To the Japan Representative Invitational Island! is the 17th episode of Future Card Buddyfight Triple D, and the 131th episode of the series.
The day is finally here! The Japan Tournament is finally upon us! Gao and the gang along with Gaito and Tasuku head together to a boat which will bring them to the Japan Tournament, being held on a special island! However, while the festivities are full of fun and laughter, a malevolent being watches over them. Who is this Mysterious Specter?!