故事发生在一个虚构的王国之中,在那里,居住着一群活泼善良的青蛙。四年一度的运动会即将来临,往届的运动会中,最终的冠军可以成为保护王国的勇士,而这一次,获胜者则能够迎娶蛙国的公主,因此,全国上下的勇士们纷纷摩拳擦掌,准备大干一番。 让大家没有想到的是,在这个节骨眼上,青蛙公主竟然离家出走,亦成为了参加运动会的一员,她遇见了强劲的对手闪电蛙,两人你争我斗,好不热闹。就在蛙国上下一片生机勃勃之时,隔壁的蛇国国王却在酝酿一个险恶的阴谋,它曾经被蛙国国王斩断了尾巴,希望借此机会一雪前耻。蛇国国王派出了蛙国的叛徒参加了运动会,紧张的气氛一触即发。When the Frog King announces that the winner of the Froglympics will marry his daughter, Princess Froglegs, she runs away, and begins training as a commoner. She is determined to win both the games and her freedom. Meanwhile, the villainous snake Serpent has ideas of his own: to ruin the Froglympics and take over the kingdom. With a little luck - and a little help from their friend, the trusty Sidekick - Freddy and Princess Froglegs must save Frog Kingdom from the wicked clutches of Serpent.