Cap and Gown & Can't Be Found

"Cap and Gown & Can't Be Found" is the seventeenth episode of Season Four of the sitcom Austin & Ally. It aired on November 22, 2015.

Synopsis
The high school graduation is coming up, but Ally is threatened that she will not be graduating because the overdue library book got missing. Since he borrowed the book from Ally long time ago, Austin is worried that he lost the book and tries to find it and get it back to the library, so Ally can graduate. Meanwhile, Trish fakes some memorable moments in an attempt to get more photos in the yearbook.