Ally and the others plan a surprise party for Austin and pretends that they don’t know his birthday. Austin then feels devastated when he thinks that no one remembered his birthday, until he finds Ally’s book and finds out about the surprise party. Instead of a surprise party for him, Austin plans to surprise the group.
- Ross Lynch as Austin Moon
- Laura Marano as Ally Dawson
- Calum Worthy as Dezmond "Dez"
- Raini Rodriguez as Patricia Maria "Trish" De La Rosa
- Spencer Boldman as Aaron Moon
- Stefanie Scott as Lexi Reed
- Jack Griffo as Tyler Fox
The guest stars are still unknown.