Season 4

Season 4 of Austin & Ally was renewed on April 25, 2014. After a series of social media campaigns from superfans, the teen sitcom was finally renewed.

In an official statement, Disney Channel's Executive Vice President Adam Bonnett said, "The strength of this series helped make 2013 Disney Channel's highest rated year ever among tweens, an audience that is invested in the 'Austin & Ally' stories and the fun they experience on a journey with the characters. We're looking forward to delivering many more engaging stories soon."

The writers started working again on August 18, 2014 and production for the season began on October 13, 2014. Season 4 premiered on January 18, 2015 at 8pm ET/PT.

On February 6, Laura Marano, who portrays Ally Dawson, revealed that Season 4 would be the show's last season.

Episodes
There are 20 episodes planned for Season 4 of Austin & Ally because of Disney Channel's 20-episode fourth season tradition.
 * 1) 01/18/15 Buzzcuts & Beginnings (401)
 * 2) 01/25/15 Mattress Stores & Music Factories (402)
 * 3) 02/08/15 Grand Openings & Great Expectations (403)
 * 4) 02/15/15 Seniors & Señors (404)
 * 5) 03/28/15 Homework & Hidden Talents (405)
 * 6) 04/19/15 Duos & Deception (409)
 * 7) 05/03/15 Wedding Bells & Wacky Birds (406)

Unaired Episodes

 * 1) Dancers & Ditzes (407)
 * 2) Comebacks & Crystal Balls (408)
 * 3) Santas & Secrets (410)
 * 4) Bad Seeds & Bad Dates (411)
 * 5) Karaoke & Kalamity (412)
 * 6) Mini-Me's & Muffin Baskets (413)
 * 7) Scary Spirits & Spooky Stories (414)
 * 8) Rejection & Rocket Ships (415)
 * 9) Cap and Gown & Can't be Found (416)
 * 10) Mysteries & Meddling Kids (417)
 * 11) Burdens & Boynado (418)
 * 12) Fin-Austin & Fin-Ally (419)
 * 13) Musicals & Moving On (420)

Cast

 * Ross Lynch as Austin Moon
 * Laura Marano as Ally Dawson
 * Raini Rodriguez as Trish De la Rosa
 * Calum Worthy as Dez Wade

Trivia

 * This season makes Austin & Ally the 7th Disney Channel series in Disney Channel history to make it to Season 4 and the 5th live action series to make it to Season 4 (preceded by That's So Raven, Kim Possible, Hannah Montana, Phineas and Ferb, Wizards of Waverly Place, and Good Luck Charlie).
 * This season also makes Austin & Ally the first Disney Channel series with a four member cast, main characters who are not a family and a male co-lead to recieve a fourth season.
 * There is a new set replacing Sonic Boom this season, the Austin & Ally Music Factory.
 * This season includes special guest stars, such as Maddie Ziegler (Dance Moms), Becky G, Skylar Stecker, Leslie David Baker (The Office), Dove Cameron and Ryan McCartan (Liv and Maddie).
 * This season introduces a new version of the Can't Do It Without You intro sequence, featuring the cast as they appear now and clips from episodes in Season 3 (much like most other Disney Channel shows have, such as JESSIE, Girl Meets World, and K.C. Undercover). Additionally, it now features Laura Marano singing alongside Ross Lynch.
 * In an TVLine interview with Laura Marano, it stated that the series finale would air in early 2016.
 * An EP, titled Austin & Ally: Take It From The Top, was released featuring five of the songs that will be sung by Laura Marano and Ross Lynch in the season, three of which had not been released.
 * The gang will graduate high school in the episode Cap and Gown & Can't be Found.
 * The cast had their final table read of Austin & Ally on April 13, 2015.
 * Production wrapped up for the season and Austin & Ally on Thursday, April 23, 2015.
 * The season premiere is Buzzcuts & Beginnings, the finale is Musicals & Moving On.