Angel: The Girl in Question

"The Girl in Question" is episode 20 of season 5 in the television show Angel. Written by Steven S. DeKnight and Drew Goddard and directed by David Greenwalt, it was originally broadcast on May 5, 2004 on the WB network. When Angel and Spike go to Italy after hearing Buffy is in trouble, they discover she is dating their long-time nemesis The Immortal. While searching for Buffy - and the head of a demon which must be brought back to L.A. to prevent a demon war - they reminisce about their history with The Immortal and finally accept that they can't control whom Buffy dates.