Ultraman Neos: S1 E7 - King Of The Biosphere Ultraman Neos

All communications from geological surveyors at Kojin Island have been cut off, and their whereabouts are unknown. Members of HEART move to their rescue, but once on Kojin Island, they're immediately attacked by a pack of Rock Eaters. A member of the surveyor team, Masayuki, manages to save them at the last moment.