Dragon Ball Z Kai (2009)

S04E14 Get Angry, Gohan! Release Your Hidden Power!

Goku chooses to surrender in the middle of his fight, placing the survival of the entire planet on his hesitant son, Gohan. Convinced that Gohan has surpassed every fighter—even Cell—in raw power, Goku steps down without hesitation. The burden now falls entirely on the boy who never wanted this responsibility.