Rick Potion | [s1e6]

: Rick's attempts to fix the situation only escalate the disaster. His first "antidote" uses mantis DNA, which turns humanity into monstrous, predatory mantis-people. Further attempts result in "Cronenbergs"—amorphous, grotesque blobs of mutated flesh.

: Because Jessica has the flu, the serum (derived from vole hormones) latches onto the virus and becomes airborne. Within minutes, the entire global population—except for Morty's direct relatives—falls obsessively in love with him. [S1E6] Rick Potion

: Realizing the world is beyond saving, Rick and Morty abandon their original dimension. They travel to a nearly identical reality where their alternate selves have just died in a freak lab accident. : Rick's attempts to fix the situation only