Other contributors have said "At what point in angel did buffy die?" is the same question as "When in angel did Buffy die?" If you believe that these are not asking the same thing and should be answered differently, click here
Buffy didn't die in the Angel spin-off. But since Angel Season 2 takes place the same time as Buffy Season 5, her death was announced in the Angel Season 2 final " There's No Place Like Pltz Glrb".
she doesn't die in "Angel" though in the series "Buffy The Vampire Slayer" she has died twice. once at the end of the first season, and once more saving Dawn from Glory both times she came back to...
Yes he would though they can't be together because he would lose his soul and become angelus. But he did technically die for her in season two when she stabbed him to keep the world from being sucked...
Technically, she didn't die on Angel. She did die twice on her own show and the second time it was referenced on Angel. The first time, she was killed by the Master and given mouth-to-mouth by Xander...