by James Eatock: http://bustatoons.blogspot.com/2007/08/glimmer-can-turn-invisible.html

The last new power that Glimmer demonstrated was the most impressive and easily the most ridiculous. In the season two episode "The Perils Of Peekablue" Glimmer demonstrates the ability to turn herself invisible! Not only that but she can also turn others invisible! Now in the previous seventy-nine episodes this ability would have gotten her and her friends out of a lot of scrapes. I would not have minded as much had the writer explained in a throwaway line that this was a new power, or a developing power...