It's been a year since Griffith's imprisonment by the Kingdom of Midland. Once praised as the saviors of the Midland, the Band of the Hawk has been on the run and is on the brink of breaking apart. Much to everyone's surprise, Guts returns to the Hawks, and the search for Griffith begins!
Sid and his classmate Gabriela enter a contest and win the exclusive opportunity to visit a new modern science museum before it opens to the public. There the kids meet a quirky scientist, voiced by special guest star Christopher Lloyd (Back to the Future), who has designed robot tour guides of the future!
Then one of the robots goes haywire and the grand opening is in jeopardy! It is up to Sid and his friends to work as a team to find the rogue robot and save the day!