it was on October the 31 it was the last day on October so the cast decided to celibate Halloween on pumpkin hill zone, where the jack-o pumpkin was there also not mentioned that surprisingly eggman and metal sonic was invited, so all of the people that got invited went to the THE HAUNTED CASTLE.. (lightning sparks)

'Sonic as the werewolf' : "alright everyone this is the place that made yes is a Halloween party!"

'Knuckles as the mummy' : "heck yea!, also we brought the snacks!"

'Tails as a scientist' : "also, we did the invite the others. I did bring out every person that we know to bring in here."

Surprisingly they showed up and those are: shadow,rouge, Omega,Sally, silver, blaze,tangled and whisper,Espio,vector, Charmy bee, vanilla and cream,eggman,metal sonic