شش نوجوان زیر نظر یک استاد کهنهکار تمرین میکنند و یک شبه به نینجاهای قهرمان تبدیل میشوند. آنها با هیولاها میجنگند، سوار خودروها میشوند و سرزمین نینجاگو را از دست اژدها نجات میدهند. در این داستان جنگسالار لرد گارمادون با این واقعیت روبرو است که یکی از شش نوجوان پسر او است و باید با این موضوع را قبول کند.
Juan "Johnny" Rico, a high school student living in Buenos Aires, joins the Federation military in the hope of following his love, Carmen, into space. He has to undergo harsh training to become a soldier, harsher than he expected, but despite several setbacks and traumatic experiences, Johnny perseveres and finishes his training. However, a war is brewing on the outer planets with a strange alien enemy and Johnny is thrust into the conflict.
Join 4 extraordinary kids as they travel to an alternate Earth where dinosaurs never went extinct, using hi-tech suits and transforming vehicles to protect the dinos from an inter-dimensional villain intent on taking over the multiverse.
