Marion Town has lost its way ever since the citizens stopped worshiping Celebi. Thus, when Ritchie passes through town, a Celebi transports him to the 1920s to keep the town from modernizing.
After splitting up from Ash and Brock, Misty returns to Cerulean City to discover that PIA investigators might shut the gym down because of an out of control Gyarados.
Cassidy and Butch plan on stealing an Aerodactyl from Sayda Lab for Professor Namba. Little do they know that Gary is an employee there and Tracey is visiting.
Professor Namba sends Cassidy and Butch S.S. Anne tickets so that they can catch a Moltres at one of the stops. Their plans gets derailed when they run into Ritchie on board.