Dispersal
Ruuji is desperate to go back and help the people of Ze Ruft, but Ron disagrees. Ruuji and Garaga head back to the city on their own, and while they are away the rest of the group comes under attack by a large force of Bio-Zoids. Ruuji and Garaga rush back to help them. Everyone escapes safely, but the group is separated.
Aired 17/07/2005EP 15 - Dispersal

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)