[A glaze comes over Aang's eyes as he comprehends what he's seeing. There, in Katara's hand, is the bison whistle he had been searching for, for so long.]
The whistle!
[Roku's existence forgotten for the moment, he rushes forward and wraps Katara in his own hug.
[Action]
The whistle!
[Roku's existence forgotten for the moment, he rushes forward and wraps Katara in his own hug.