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. She also revealed that the series finale would air in early 2016.

Episodes
There are 20 episodes planned for Season 4 of Austin & Ally.
 * 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)
 * 8) 06/14/15 Karaoke & Kalamity  (412)
 * 9) 06/21/15 Mini-Me's & Muffin Baskets  (413)
 * 10) 07/12/15 Dancers & Ditzes (407)
 * 11) 07/26/15 Mysteries & Meddling Kids (417)
 * 12) 08/09/15 Comebacks & Crystal Balls  (408)
 * 13) 08/23/15 Burdens & Boynado (418)
 * 14) 09/20/15 Bad Seeds & Bad Dates (411)
 * 15) 10/04/15 Scary Spirits & Spooky Stories (414)
 * 16) 11/08/15 Rejection & Rocket Ships (415)
 * 17) 11/22/15 Cap and Gown & Can't be Found (416)

Unscheduled Episodes

 * 1) Santas & Secrets (410)
 * 2) Fin-Austin & Fin-Ally (419)
 * 3) 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).
 * Intro - Season 4 - Austin & Ally 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 Seasons 2 and 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.
 * 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 was Buzzcuts & Beginnings.
 * Laura revealed the last song of the series/season will be a duet.
 * This is the final season of the show.
 * During an interview, Raini said that the series finale will be sad with lots of crying and that there will be a lot of "feels", which hints that there might be a big Auslly moment in the series finale.
 * This season has 20 episodes.
 * The writers revealed on twitter that Ally's middle name will be revealed in the season.
 * Austin & Ally will be crossing over with K.C Undercover as part of Monstober 2015, but only Ernie (Kamil McFaddin) and Judy (Trinitee Stokes) will make an appearance. Also, there is another crossover with I Didn't Do It, where only Logan Watson (Austin North) and Delia Delfano (Sarah Gilman) will make an apperance.
 * Seniors & Señors was canceled in Latin America (except Brazil) due to the plot not making sense with all of the characters constantly speaking Spanish.