When a giant robot suddenly attacks the city, a high-school student named Aoba is saved by a classmate piloting her own mecha. After accepting an offer to join the alliance she's is a part of, Aoba is thrust into the middle of high-flying robot warfare.
S01:E01 - Encounter
A mysterious robot suddenly attacks first-year high school student Aoba Watase.
S01:E02 - Nice Coupling
Aoba finds himself in a strange cockpit alone, thrust into the middle of a furious firefight.
S01:E03 - Meeting Again
As the ship comes under attack again, Aoba unexpectedly comes across someone he knows.
S01:E04 - The Time for Resolve
Aoba gets a chance to explore his hometown to see what became of it after the last 70 years.
S01:E05 - Scars
Aoba finds out more about Dio and his family; Cygnus finds itself mobilizing against invaders.
S01:E06 - The Other Coupler
A film crew arrives to make a promotional video in support of the controversial Valiancers.
S01:E07 - Buddy
Zogilia's forces catch up with the Cygnus and the Coupler pilots must decide who should pair up.
S01:E08 - Stormy Night
Aoba tries to get through to Hina while they spend the night on the island they crash-landed on.
S01:E09 - The Coupling System
Discouraged by his encounter with Hina, Aoba mopes around, but Dio finds his attitude unacceptable.
S01:E10 - Father and Child
Aoba, Dio and Mayuka go on shore leave; the Zogilian contingent plan to get the Coupling Valiancers.
S01:E11 - The Truth
The Zogilians infiltrate the Hawaii Base; Hina's father reveals a startling truth to her.
S01:E12 - The Bond Between Them
The crew of the Cygnus work through the fallout of their loss and Aoba and Dio's flawed Coupling.
S01:E13 - Acception
The Cygnus must take down the Gorgon, Zogilia's weapon of mass destruction.