Two teams of Autobots arrive on Earth with the mission of hunting down the Legend Discs before the Predacons can get their hands on them.
The Predacons awaken and begin their search for the Legendiscs. In the midst of a Predacon attack, Isami summons the Swordbot Samurai Team.
In the midst of a Predacon attack upon Nagoya Castle, Tobio summons the Swordbot Shinobi Team.
The Predacons go back in time to acquire an artifact, and the Samurai Team and Isami pursue them.
Chasing another Legendisc in the past, Isami and the Samurai Team encounter legendary swordman Ryoma Sakamoto.
Tobio and the Shinobi team go back in time and meet Tobio's ancestor, the Fuma clan leader Kotaro Fuma.
Isami and the Samurai Team, and the Predacons, pursue another Legendisc to the past. There they find it in the hands of the great warrior Benkei Musashibo.
The secrets of the Legendiscs are finally revealed to Isami and the Samurai Team, but they find themselves attacked by the revived Dragotron.
Tobio and the Shinobi Team finally retrieve the yellow Legendisc from Sasuke Sarutobi. Unfortunately, the revived Dragotron has other plans for the disc.
Dragotron kidnaps Tobio and puts his master plan into action; can the combined might of the Shinobi and Samurai Teams stand up him?
Dragotron kidnaps Isami and puts his master plan into action; can the combined might of the Shinobi and Samurai Teams stand up him?
