Buffy the Vampire Slayer/Star Trek 2009 crossover

Starts in Halloween

Pairing: Oz/Willow/Tara, Kirk/Bones,  young Spock/Xander/old Spock, Giles/Ethan {you can decide when they get together after the Halloween spell} 
{You can decides pairings for other main characters. : ) }

It is Halloween and Xander just missed getting a plastic gun. After asking with Ethan Xander some how gets a box filled with odd miss matched items that go with Star Trek 2009 for $5 not that he or Ethan know what they are.

It includes Scotty's red shirt and black undershirt, Uhura...

Buffy the Vampire Slayer X NCIS X Numb3ers
Things get worse and the light side is losing. Xander has already lost his eye from the evil preacher.
Xander is give a book from his parents in a moment of soberly that had been in the family from his mother side. It is up to you what is in the book but one thing. There has to be either a spell or ritual that only the White Knight/'The One Who Sees' and his wolf protector can use to change things for the better.
Requirements:
*Xander and Oz meet the roman gods
*The gods are mad at The Powers To Be...can be any reason
*Xander a...