Naruto: Season 2, Episode 57

2 - 57: He Flies! He Jumps! He Lurks! Chief Toad Appears!

Overjoyed at his success, Naruto manages to enrage Gamabunta. With him not willing to accept that Naruto was able to summon him, Naruto challenges Gamabunta to accept him as his subordinate if he is able to stay on his back until sundown.