Ep. 21: Walküre members recall their past while facing revelations about artificial life and murder.
Aired on August 21, 2016

21
The Kingdom of Windermere uses Delta waves from Heinz's song to put 85% of the population into a coma. Inside prison, Kaname, Makina, and Reina remember joining Walküre before their release for a new mission. Upon leaving, Mikumo discloses she is an artificial lifeform aged three years. Concurrently, Keith learns that Heinz is experiencing premature aging. Additionally, Lloyd confesses to the murder of King Gramia VI. These events unfold as the group prepares for their upcoming duties amidst the global crisis and internal secrets.
Episodes
- Ep. 17 · Chaos infiltrates Voldor ruins using Walküre songs to breach Windermere defenses
- Ep. 18 · Delta Squadron and Walküre visit Voldor amid Aerial Knight tensions and singing battles.
- Ep. 19 · Berger Stone Discusses Music as a Weapon While Hayate Awakens
- Ep. 20 · Freyja struggles to sing for Hayate's experiment while Keith questions Lloyd and Kaname seeks Mikumo.
- Ep. 21 · Walküre members recall their past while facing revelations about artificial life and murder.
- Ep. 22 · Walküre infiltrates Windermere while Macross Elysion attacks Aerial Knights
- Ep. 23 · The trio hides in the forest while Freyja leads Hayate and Mirage to her village.
- Ep. 24 · Hayate and friends face execution while Mikumo awakens ancient power to disrupt the Protoculture Center mission.
- Ep. 25 · Mikumo sings the Song of the Stars, causing the N.U.N.S. 47th Special Fleet to detonate their dimensional bombs.