Forecast: Death! Cloudy with Chance of Sun!

is episode 191 of the original Naruto anime.

Synopsis
Naruto learns that his companions have been kidnapped by Renga's men and will only be released if he turns over Haruna. During this confrontation, it is revealed that the princess' father, shortly before his death, had confessed his regret of turning over the princess for the sake of his people and wished for the good of the people regardless of what happens to him. Haruna, having been influenced by Naruto and this revelation, offers to sacrifice herself to protect Naruto. Naruto defeats Renga by reflecting sunlight off his forehead protector, and learns that Shizune, Shikamaru and several Konoha ninja have rescued Hinata, Choji and Yurinojou. Haruna then succeeds her father as ruler of the Land of Greens, and Naruto and his companions return home.