In episode 116 of , titled " The Sign of a Comeback! Ultra Instinct's Huge Explosion!! " , the battle between Goku and the fused Saiyan Kefla reaches its cinematic peak. After being pushed to the brink, Goku re-activates Ultra Instinct Sign , leading to one of the most iconic finishers in the series. Key Episode Highlights

: Sensing Goku’s rising power, Kefla pushes herself to Super Saiyan 2, unleashing chaotic red-and-green energy blasts that damage the arena and force Goku into constant evasion.

: In the episode's climax, Goku charges a Kamehameha while dodging Kefla’s final desperate barrage. He famously uses the energy ball to "surf" over her massive ki blast, delivering a point-blank Kamehameha that eliminates her from the tournament and shatters her Potara earrings.

: Cornered by Kefla’s overwhelming power, Goku taps into Ultra Instinct Sign for the second time. While his defensive movements are flawless, his offensive strikes are noted by Whis to be less effective because Goku is still "thinking" about his attacks.