Voices of a Distant Star(who didn't)
Elfen Lied(that whole anime is depressing)
Mushi-shi(certain stories were quite tragic and/or sad)
Fate/Stay Night(at the end when
Saber leaves and dies in her time
R.O.D TV(Right at the end after the final battle)
Naruto(a couple of times, mostly when theey were talking about Naruto's and Gaara's childhoods)
Clannad(The Fuko and Kotomi stories)
Trigun(
Fullmetal Alchemist when hughes died And then at the part with his funeral {Sobbing}
Blood+ when they made it look like Haji had died
Eureka Seven ALOT of episodes made me cry