Jervis first appeared in Piplup, Pansage and a Meeting of the Times! where he was introduced to Ash Ketchum, Iris and Cilan shortly after arrived in Undella Town with Cynthia. He drove them to Cynthia's villa by car. Later, at the villa, he took the role of referee during the battle between Dawn and Cilan.
He appeared again in Expedition to Onix Island! where he brought Ash and his friends, Iris and Cilan, who wanted to search for a special Onix, to a tropical island by boat. Before leaving Ash and the gang, Jervis warned them for the many dangers on the island. At the end of the day, Jervis returned to the island to pick up Ash and the gang up and bring them back to Undella Town.