Pokémon: The Party of the Millennium

It's the party of the Millennium! Y2K has just rolled around the corner and everyone is still alive! Ash Ketchum intends to throw a party to celebrate this. But, in the midst of planning this blowout, he worries over an old friend as someone who claims to know him only through an Orange Island ritual in his past, arrives in his hometown? I'm not giving you the deets! Read it!