Summarize Everything, Get To The Point, Exactly The Point In A Literal Sense: Goku gets in his stance, preparing a kamehameha and was charging so much of his energy inside of it at full power. Goku's target was Saitama. Goku then finally lets the kamehameha wave go, sending it to saitama at high speeds and it was inches away from saitama's face but then saitama just lift his hand and backhanded the wave which made it go and land somewhere else and when landing, it exploded.
Goku charges a powerful Kamehameha aimed at Saitama. Just as it reaches him, Saitama casually backhands the wave, redirecting it and causing it to explode elsewhere.