CDs & Stars is an episode.
Austin is surprised that he will perform a song with Train, but when Austin and Train can't find out what song is best, they decide to mashup, Not a Love Song and Drive By, and Ally, Theresa, and Dez thinks it will be a good idea. Meanwhile, Theresa is the manager for Austin, since Trish is in Mexico with her family.
* Ross Lynch as Austin Moon
* Laura Marano as Ally Dawson
* Calum Worthy as Dez
* Caroline Sunshine as Theresa McLaughlin
* Train as Themselves
* Raini Rodriguez as Trish de La Rosa
* Raini Rodriguez as Trish de La Rosa is absent for this episode.
* Caroline Sunshine joins the main cast in this episode.