When Yang blows off his studying in order to play video games, Master Yo commands him to learn a new power. However, Yang looks through the Woo Foo Scrolls and accidentally tries to become Yin-Visible, and instead becomes inaudible and intangible by saying a curse! Will he find a way to make himself heard and save his sister being drained of all her energy from Carl?
- This episode features Carl as the main antagonist.
- The episode title is a pun on the word "Disappeared".
- During the video, Carl mentioned "Evil-Bay", which may be parody of "E-bay".