Looking for an episode or movie - ANSWERED
"Premise: Humans, living in the future were replaced with androids and didn't realize it. I remember at the end, I male character is shot or stabbed and a green oily substance leaks. This is when he realized that he is an android. His female counterpart is told she is and android and they took the liberty of reducing her dress size. She states 'I wondered why my clothes were loose'."
"Sorry. If I've not responded to you either it wasn't necessary or I've set you to Ignore."