* The cruel way Deckard completely undresses Rachael's humanity, recalling memories no one else could have known had she been a real human. The way she throws away her treasured photo of herself and her mother is heartbreaking.
* Zhora's retirement. It emotionally sets up Roy's reprieve of Deckard.
* Roy Batty's famous soliloquy at the end is very poignant.
* Roy tearing up over Pris' corpse and giving her one final kiss after Deckard shoots her dead.