What episode in Austin and ally did stop liking Dallas?

Austin & Ally is an American comedy television series created by Kevin Kopelow and Heath Seifert that aired on Disney Channel from December 2, 2011, to January 10, 2016. The series follows two teenagers, Austin Moon (Ross Lynch) and Ally Dawson (Laura Marano), who form a music duo. Dallas does not appear in Austin & Ally.