Infiltration
Arriving at their destination, the group finds the city of Ze Ruft taken over by Digald soldiers. Ruuji, Kotona, and Seijuurou sneak into the city to find the Generator mechanic. Meanwhile, Ra Kan and the others are discovered and surrounded by Bio-Zoids.
Aired 26/06/2005EP 12 - Infiltration

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)