  The Cave of Two Lovers  is where we first see definite signs of the true nature of the growing love relationship between the main characters Avatar Aang and the water bending master Katara. Sokka is bombarded by a group of free-thinking hippie musical nomads during most of the episode as well making for many humorous moments of head-smacking good fun. Uncle Iroh and Prince Zuko learn about life on the run from the Fire Nation and how not to brew  White Jade Lily  as a tea ever again. The history of how the Earth city of Omashu came into being is provided as well as a surprise ending about city s current state of being under the hand of the Fire Nation.