Slayers - Season 3 Episode 2 Doubtful? A Letter from Home!
Overview: On the verge on dying, since they have no food on the ship, sea gulls are trying to eat Gourry. Zelgadis figures out that their must be land nearby, and Lina starts to go a lot of wind spells pushing them closer to land. Once on land, they notice several creatures attacking the townsfolk. Lina and the group save the towns people and they reward them by giving them all you can eat food. After their meal, they are shocked to see that the golden dragon they thought they killed is still alive. They rush to the landing site, only to be semi-shocked/surprised that the golden dragon turns back into Filia. Filia then reveals the usual, the world is going to end which Lina is hesitant to do. Filia then gives her something incase something like this would happen. It's a letter from Lina's older sister, Luna, saying ""Just do it."" Filia then reveals they need to go to the temple of the Fire Dragon King, so off they go!