As Banno's plan progresses, a fiery Gou decides to confront Gold Drive with all his might. Meanwhile, the Roidmudes have taken over the Special Defense Center. For the Special Unit's counterattack, an unexpected person has prepared an emergency Drive Pit.
Episode 46 - What Was Their Reason for Fighting? (9/13)
While fighting Banno, Chase sacrificed himself to save Go’s life. In order to avenge him, Go uses Chase’s Signal Bike, the Signal Chase, that he had given Go moments before his death. Meanwhile, Shinnosuke, Heart, and Medic reach the Sigma Circular as it begins running the program that Banno gave it.
Episode 47 - My Friend, to Whom Do You Entrust the Future? (9/20)
Shinnosuke, having stopped Banno’s plans, is challenged to a duel by Heart in order to finally end their rivalry. However, Shinnosuke, no longer feeling an hostility towards the Roidmudes, tries to call off the duel by persuading Heart to co-exist with humans.
Episode 48 (Final) - N/A (9/27)
A thief breaks into the Metro Police Department to steal an item that had been left behind at a crime scene. The police identity the thief as a member of Neo Shade, an anti-government organization that Shinnosuke had once been investigating with Hayase. The mysterious item, called a Ghost Eyecon, that had been left behind at the crime scene seems to be connected to the case.
UPDATE (08/26/15): Added the episode summaries for episodes 45 and 46 courtesy of Carception Henshin.
UPDATE (09/08/15): Added episode summaries for episodes 46-48 courtesy of Carception Henshin.
[Source: Carception Henshin Tumblr]