Cerulean City/Manga

Pokémon Adventures
Cerulean City was first featured in Suddenly Starmie as the place where Misty's mansion and the Cerulean Gym are located. Its streets surround a canal full of boats, resembling. and Misty trained at the Gym together for a while in order to be able to fight Team Rocket more effectively.

In the, Cerulean City was attacked by an army of Ghost Pokémon, sent there by Agatha. Misty, while protecting her Gym, found out that the Elite Four were after her Badge. After defeated Lance at Cerise Island, the Ghost army lost all of its strength.

Pokémon Zensho
Cerulean City appeared in Cerulean City, where visited the city. Shortly after his arrival, he saved the bike shop from a, before heading to the Gym. However, before Satoshi could even properly start a battle with Misty, another Team Rocket Grunt attacked the Gym with a. Satoshi defeated the Gyarados, receiving a from Misty as thanks.