* Every single time someone tells David he doesn't matter, and there's a tiny spark of pain in his eyes, especially when the hologram of Weyland, his father figure, says it bluntly. He can be seen as going quietly crazy the whole time depending on your interpretation.
* Charlie forcing Vickers to do a SuicideByCop while Shaw is having a complete screaming hysteric breakdown on the sideline.
* "I have to understand, what did we do wrong? ''[[GodIsEvil Why]] [[ParentalAbandonment do you hate us?!]]''"