Energetic Explosion Ganbaruger(1992)

Energetic Explosion Ganbaruger is a Japanese series following three ordinary boys whose lives change forever when a seal between the Human World and the Underworld is accidentally broken. Kotaro, a ninja-in-training, his father Tobe, and his friends Rikiya and Yosuke are thrust into an unexpected mission when the warrior of light Eldran appears with three mysterious machines. Tasked with saving the world from destruction, the trio becomes the Ganba Team and pilots the powerful robot Ganbaruger. Blending action, adventure, and the bonds of friendship, the series captures the spirit of young heroes rising to meet impossible odds in their fight against darkness.