What's He Doing Here?

Buffy S7 E13 "The Killer in Me"/Gilmore Girls S7 E13 "I'd Rather Be in Philadelphia"Christopher and the Scoobies certainly aren't thrilled about the unexpected appearance of Luke and Warren, respectively. Willow copes with her grief by buying a gun, while Emily copes by buying way too much fish. After experiencing sudden pains, Richard and Spike find out they need to have serious medical procedures. Christopher isn't there when Lorelai needs him, whereas The Initiative is always there... wait...