“Last Dances & Last Chances”
Season 3, Episode 17
Carrie threatens to tell her sister Piper, who happens to be Austin's prom date, that he'd rather be at the prom with Ally. Meanwhile, Piper is growing suspicious of Austin's relationship with Ally. 
To be released once episode airs.
- Can't Do It Without You (theme song)
- Ross Lynch as Austin Moon
- Laura Marano Ally Dawson
- Raini Rodriguez as Trish De la Rosa
- Calum Worthy as Dez
To be added in.
- The writers tweeted the Austin & Ally Wiki the title of this episode on Twitter.
- It is possible that this episode is a direct continuation of Proms & Promises.