Key
Digald strikes back at the rebels and retakes several of the captured cities. Ron, Kotona, Ruuji and Ra Kan begin unraveling the mysteries of the People of the Sky and the Gildragon. They discover that a Gildragon is buried under Ironrock City, and the keyword for activating it is Kotona's true name. Reluctantly, Kotona agrees with the group's plans to revive the Gildragon, and together they head for Ironrock.
Aired 05/02/2006EP 43 - Key

Zoids Genesis
Natural disasters have devastated planet Zi, killing off almost all life. A thousand years later humans have gradually re-established civilization, salvaging ancient Zoids through diving and mining efforts. In a village whose most previous item is a giant sword which they worship as a holy symbol. A teenage boy discovers an ancient Liger-type Zoid while on a deep water salvage operation. Suddenly the village is attacked by skeletal Bio-Zoids intent on stealing a powerful generator located in the village. Our teenage hero awakens the Liger and discovers that the towns sacred sword is the Ligers weapon, together they fight off the mysterious Bio-Zoids. At least for now...
(Source: AniDB)