Pewter City/Anime/Main series

Pewter City first appeared in Showdown in Pewter City, where decided to challenge the Pewter Gym for his first Badge. After suffering his first loss to, caught up with Ash and directed him to an old hydroelectric plant located by a dry river bed, where he could charge  up with electricity. After charging Pikachu up, Ash returned to the Gym, where Pikachu accidentally set off its sprinkler system, allowing it to win the rematch against. Despite this, Ash decided to forfeit the match, feeling like he did not deserve to win. Nevertheless, Brock still chose to give him a. The Gym was subsequently left under Flint's care while Brock decided to join Ash in his travels.

In A Family That Battles Together Stays Together!, it was revealed that Brock's mother Lola had recently returned home and added a brighter color scheme to the Gym, while also changing it to a Gym. The Gym returned to its heritage theme after Brock defeated his mother in battle. In SS025, Forrest officially became the new Pewter City Gym Leader after a Nurse Joy from the Pokémon Inspection Agency recognized him as a worthy for the duty.

Pewter City's center has been shown to feature many tall buildings, including a Pokémon Center, which differs from its craggy surroundings. A Contest Hall is located on the outskirts of the city. Pewter City also serves as one of the locations of the. In the Japanese version of Clefairy and the Moon Stone, Seymour was revealed to work for the Pewter Museum of Science. In addition to Brock, Pewter City is also the hometown of Top Coordinator Solidad and Trainer Pete Pebbleman, who was defeated by Ash during the Indigo Plateau Conference.