DragonBall Kai Majin-Buu Saga Episode 18
"The Seal is Broken!? Gohan's Kamehameha of Resistance!"
Summary:
Gohan promises he will not stand aside like he did against Cell. He fires an Electric Kamehameha
at the cocoon, hoping to destroy the evil energy within it. After the
first wave, he sends another, and then another. The steam erupting from
the cocoon stops, and it opens.
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