Other Title: 仮面ライダービルド-希望のサイエンティスト, Kamen Raidā Birudo-Kibō no Saientisuto
Summary: The four Kamen Riders joined forces together and were finally able to
defeat Evolto! Three Lost Fullbottles that were being held in Evolto’s
protection have been purified thanks to his defeat, and have been taken
by Sento’s father, Shinobu! Shinobu then proceeds to guide the others to
a room containing the black Pandora Panel. He then starts to reveal to
them his true intentions…