Yuu Tagami discovers the secrets of a future island, which his late father hoped to understand. Aided by a giant robot, Yuu uncovers adventures.
S01:E01 - New York Suspense
After his father is killed, Yuu Tagama heads to New York City for answers.
S01:E02 - Westward Bound
Yuu finds help from an unlikely ally to go against GAIL.
S01:E03 - Stormy Departure
Yuu and his new friends arrive in Samoa but still face danger.
S01:E04 - Encounter
After a perilous sea journey, Yuu and friends become scattered around Austral Island.
S01:E05 - The Island of the God
Yuu meets the giant named Gorg.
S01:E06 - Gorg's Secret
Yuu learns a shocking secret about Gorg.
S01:E07 - The Fortress at Magma Hill
Yuu learns some of the island's secrets with Gorg's help.
S01:E08 - Gail's Mineshaft
GAIL puts Yuu and his friends in peril.
S01:E09 - Into the Darkness
Yuu and Alois must find their way out of a cave.
S01:E10 - Dark Bay
GAIL launches an attack on Gorg.
S01:E11 - Towards the Light
Gorg fights its way through a massive battle.
S01:E12 - Green Mat
Yuu draws nearer to the island's hidden secrets.
S01:E13 - Lady Lynx
Lady Lynx sets a trap for Yuu and Doris.
S01:E14 - Separate Ways
Gorg helps Yuu and Doris fend off Lady Lynx.
S01:E15 - Journey's End
Skipper and Dr. Wave put everything on the line to save Yuu and Doris.
S01:E16 - The Gates of Time
Yuu and Doris encounter Manon.
S01:E17 - Trigger
Manon holds many secrets.
S01:E18 - Slumbering in the Labyrinth
Yuu looks to mend fences with Manon.
S01:E19 - Escape, and Then.
After the latest battle, Gorg, Yuu and Doris attempt to get back on track.
S01:E20 - The Captive Giant
GAIL ensnares Yuu in a trap.
S01:E21 - Town Panic
Gorg and Skipper try to rescue Yuu.
S01:E22 - Footfalls of Retaliation
Skipper comes up with a plan.
S01:E23 - The Austral Eradication Protocol
Yuu and Gorg attempt to end things with a crumbling GAIL.
S01:E24 - To the Mountain of Fire Once More
Yuu must save a doomed Manon.
S01:E25 - Distant Bonds
Yuu discovers a link between Manon and Gorg.
S01:E26 - The Shimmering Island
Yuu and Gorg attempt to save New Austral Island from nuclear annihilation.