Time travel spuffy sent to past (b memory loss?) Vampires r different more civiliced

Doyle is their guide in the past spike claims buffy to protect her they befriend the vamps of the era who have more humanity like spike. They become a family 50+ years spent in the past before willow brings them back to the harsh present....possible buffys memmory loss when they fisrt get to the past

Lost in Time by Spikeskat
Set during Halloween. Buffy and the gang "turn into" their Halloween costumes. But, before Giles can break the spell, Ethan does something that has a profound effect on Buffy... and Spike is along for the ride. 65 Chapters. Completed April 2006.

That's it yayay thanks so much