Aria

1 - That Miracle in Which We May Meet Again...

Air Date: May 7, 2006

A short promo that aired after the first six episodes of Aria the Natural aired on AT-X.

2 - Aria the OVA ~Arietta~

Air Date: September 21, 2007

Akari finds herself nervous coaching a new undine as a Prima, until she awakens to find that it is just a dream. To soothe her worries, Alicia recalls stories of her beginnings as a Prima, as well as the memories she made.

3 - In That Little Secret Place...

Air Date: June 25, 2008

On her day off, Akari goes for a walk with President Aria through a residential neighborhood of Neo-Venezia. Bonus DVD episode between Aria the Origination episodes 5-6.

4 - Picture Drama 1: Pajama Party

Air Date: April 25, 2008

5 - Picture Drama 2: Traghetto Epilogue

Air Date: May 23, 2008

6 - Picture Drama 3: Aiming for that Glorious Victory...

Air Date: June 25, 2008

7 - Picture Drama 4: The Disgrace of Neo-Venezia

Air Date: July 25, 2008

8 - Picture Drama 5: Alice's Ghost Story

Air Date: August 27, 2008

9 - Picture Drama 6: Akatsukin-chan

Air Date: September 26, 2008

10 - Picture Drama 7: Together With Spring...

Air Date: October 29, 2008

11 - Aria the Avvenire: To You, Who I Wanted to Meet...

Air Date: September 26, 2015

The first episode of Aria the Avvenire's story starts with Ai practicing on the gondola with Akari. As they travel through a canal, they meet Aika and Alice. All three have not had much time to meet since becoming Prima undines. Considering even the little time they spend together a "miracle," Akari remembers a certain incident and relates it to Ai.

12 - Aria the Avvenire: That Warm Goodbye...

Air Date: March 23, 2016

The second episode's story begins with Ai relating a story to Akari of her experiencing a "miracle" while she was practicing. She saw Cait Sith as she was traveling down an unfamiliar path. When she disembarks from her gondola to follow it, she meets two Single undines from Himeya company and Orange Planet in the middle of practice.