The actually 吻乐队（Kiss） in 4 episodes The Cave of Two Lovers, The 日 of Black Sun pt1, the Ember Island Players and Sozin's commit pt3. They also kissed in Nighmares and Daydreams but that was only Aang's daydream so that didn't really count.
they kissed in :day of black sun,part 1:the invasion on those submarines. in ember island player outside of the theatre and in the last episode 阿凡达 aang sozin's comet part 4.SOO CUTE:)<3
