If he saved Rick I think it'd be the best twist in any tv show ever. Butter Robot: "What's my purpose." Rick: "You pass butter." Butter Robot: "Oh God." Rick: "Yeah welcome to the -" Butter Robot: "And save your bitch ass motherfucka!
The latter by markmak (I don't watch Rick and Morty, and it took me a little while to get the joke, but I LOVE this!)