Confronting a Metaloid identical to the previous one they destroyed, Red Buster and Blue Buster find themselves at a disadvantage though Yellow Buster is unaffected by Tubaloid 2's sound wave. Even though Nick arrives to even the odds, Yoko is captured as she momentarily left the fight to recharge. Damaging both Hiromu and Ryuji's Morphin Braces, Tubaloid 2 runs off with Yoko. As Gorisaki proceeds to repair their Morphin Braces, Hiromu and Ryuji receive a message from Tubaloid 2 using Yoko's Morphin Brace to tell them not to interfere with the second Megazord or Yoko will die. As Tubaloid 2's location is revealed to be in the Shimatani district, and learning that the original Tubaloid's sound wave attack was part of a 2-phase attack with Tubaloid 2, Hiromu and Ryuji prepare to head out anyway. However, Nakamura demands them to come with her to see the tables Yoko set up for the Buddyloids, revealing that it is the day of their activation and that the surprise tour was more of a birthday tour. Assuring Nakamura that Yoko's life is a priority, and still having time, Hiromu and Ryuji make their way to Tubaloid 2's location to save Yoko. While Ryuji taking out the Bugler bodyguards, Hiromu poses as Enter to get close to the girl. Though seeing through his disguise as he recognizes Hiromu's heartbeat, Tubaloid 2 is caught off guard once Yoko gets candy in her system to offset her Weakpoint. After Gorisaki arrives to give the guys their Morphin Braces, they and Yoko assume their Go-Buster forms while revealing the gear has been modified to resist the Metaloid's music. After Tubaloid 2 is destroyed, the Go-Busters enter their Buster Machines to face Tubazord 2. Using the GT-02 Gorilla to negate the Tubazord 2's music, the Go-Busters form Go-Buster Oh to finish the Vaglass Megazord off. As the Buddyloids' birthday party goes under way, Kuroki meets up with an old friend: the mysterious Beet Buster and his Buddyloid Beet J. Stag.