Gohan has surpassed his father, Goku, several times throughout Dragon Ball's history, as these examples illustrate.

Gohan's new Beast Form impressively matches up against Goku's Ultra Instinct power. Gohan finally shines in battle against his father, reminiscent of Goku's struggle against Jiren. Dragon Ball ...

Toyotarou gives a strong hint to Dragon Ball fans about how Gohan's Beast form was introduced to surpass Goku's Autonomous ...