 It premiered on Adult Swim on January 27, 2014, was written by Justin Roiland, and directed by Stephen Sandoval.In the episode, a love potion goes wrong, creating a virus that begins to infect the entire world population, making everyone fall in love with Morty.The episode received critical acclaim, receiving praise for its story, subplot, and ending, and was seen by about 1.7 million viewers when airing.