「知っちまったんだよ。あいつらと走る方が─」
キャノンボーグが地球に来襲してから長い時が経った。
改造隊長を名乗り人々を苦しめてきたキャノンボーグ。
しかし大也たちに悉く作戦を阻止されギャーソリン回収量はごく僅か。
ハシリヤン本家からの重圧もあり、キャノンボーグにはもう後がない。
思い通りに作戦が遂行できないことに痺れを切らしたキャノンボーグは、奥の手である“大量悲鳴兵器”を起動。
その恐ろしさを知る先斗とビュンディーは血相を変え、
地球が“死の星”になると呟く。
兵器発動までのタイムリミットが迫る中ブンブンジャーが出動。
今こそキャノンボーグとの始末をつける時。
先斗が選ぶ選択は──。
"I know. It's better to run with them..." A long time has passed since Cannonborg attacked Earth. Cannonborg calls himself the remodeled captain and has been tormenting people. However, the entire operation is thwarted by Daiya and the others, and the amount of Gyasolin recovered is very small. Due to heavy pressure from the main family of Hashiryan, Cannonborg has no choice but to do so. Cannonborg, frustrated by not being able to carry out his mission as planned, activates his secret weapon, the "Mass Scream Weapon." Ponto and Bundy, who learn of the horror, change their minds and whisper that the Earth will become a "planet of death." As the time limit to activate the weapon approaches, Bun Bunger is dispatched. Now is the time to put an end to Cannonborg. Ponto's choice is...
