Can't Be Found - [s4e17] Cap And Gown &

: Stressed by the possibility of missing graduation after working so hard. She eventually gives her graduation speech once the situation is resolved.

is the 17th episode of the fourth season of the Disney Channel sitcom Austin & Ally . Originally aired on November 22, 2015, the episode centers on the group's high school graduation and a crisis involving a missing book. Plot Overview

: Spends much of the episode searching for the out-of-print book. At one point, he attempts to buy a copy from an online auction to save Ally's graduation. [S4E17] Cap and Gown & Can't Be Found

: The premiere was watched by approximately 1.73 million viewers.

: Ally discovers she has a missing library book, which the school claims she never returned. This outstanding debt threatens to prevent her from graduating with her class. Austin takes it upon himself to track down the book to ensure she can walk across the stage. : Stressed by the possibility of missing graduation

: In her quest for yearbook photos, she even manages to touch the heart of her longtime "frenemy" Chuck, who asks her to sign his yearbook.

: Trish realizes she doesn't have many memorable high school moments captured for the yearbook. To fix this, she spends the episode faking elaborate "memorable moments" to ensure she is featured in as many photos as possible. Key Moments & Characters Originally aired on November 22, 2015, the episode

The episode follows two primary storylines as graduation approaches: