People, a larger aquarium and several gallons of semen. Their Sea-Ciety evolves into an ancient Greek-esque civilization that worships Cartman. Butters notes that the Sea-City plot is similar to that of the "Treehouse of Horror VII" short "The Genesis Tub". The boys note that The Simpsons has done everything, so worrying about that is pointless. Chef also points out that The Simpsons borrowed their ideas from a classic Twilight Zone episode, "The Little People". Butters understands and stops hallucinating. Some Sea People begin worshipping Tweek, leading to a holy war. Seconds later, they develop nuclear weapons and destroy themselves like the Futurama episode "Godfellas". While Kyle concludes war is inevitable, a distraught Cartman wonders "Why can't societies live in peace?!". Production "Simpsons Already Did It" was inspired by the fact that The Simpsons did in fact beat South Park to several plot concepts. In the season 4 episode "The Wacky Molestation Adventure", Cartman was supposed to block out the sun, but one writer pointed out that "The Simpsons already did it." The episode "calls out" the obvious observation that The Simpsons have realized a vast number of ideas throughout their long-lived run. Some have found a certain reciprocity to this statement, finding instances of repetitiveness in The Simpsons itself while quoting South Park. The episode is also referenced to the fact that the Fox Broadcasting Company passed on the South Park series, as they hated the idea of the talking poo character, Mr. Hankey, being in the show and fearing that such character would tarnish their network branding. Another reason for the episode's title is that in addition to the disdain for Mr. Hankey, Trey Parker, who co-produced South Park with friend Matt Stone, said that Fox executives told them "It'll never work because adults don't want to watch a show about kids. They want to watch a show about a family", subtly implying that the show premise should be modeled around a family similar to The Simpsons in order to be successful. The Simpsons crew has a friendly relationship with South Park, which they demonstrated several times, going as far as sending flowers to the South Park studios when South Park parodied Family Guy in the season 10 episodes "Cartoon Wars Part I" and "Part II". In 2010, The Simpsons crew congratulated South Park for reaching 200 episodes, with a message reading "Congratulations on 200 Episodes. (We Already Did