Our Friend Henger Forever
The Searchers discover an ancient city, perfectly preserved by Hengers. But, the robot caretakers are programmed to prevent anyone from entering it! When the Hengers take Holly's pendant, Genki and his friends must trust a malfunctioning Henger, who was banished from the city because of his free will, to find a way inside.
Aired 07/08/1999EP 18 - Our Friend Henger Forever
1999
Monster Rancher
Genki is a boy who loves playing video games. One day he's zapped into the world of Monster Rancher and meets the girl Holly and the monsters Mochi, Suezo, Golem, Tiger and Hare. Together, they are searching for a way to revive the Phoenix, which is the only monster capable of stopping the evil Moo.
(Source: Anime News Network)