Lore because yes.

In the world of: (Insert Sonic’s planet) The biggest night of Halloween is being celebrated!, Tails planned to meet with Sonic. In that, the fox hears a voice that calls him from the distance accompanied by a mysterious light.
the fox follows her and inadvertently enters an abandoned graveyard. where the mysterious light turns into his friend Sonic covered in stars, Tails starts to freak out while a very big pumpkin watches him…maybe this is the last night of Halloween for him.