<P> The actors first receive the script in form of a table draft and film the episode the next Monday, by which time the story may have changed drastically . The script keeps evolving during shooting . The actors first perform scenes as written, then act out the alts or improvise, to later allow the producers and editors to choose the gags that ultimately work best . Morris estimated that 20 percent of each episode are improv . Episodes are generally shot over five days, which may increase to several weeks if weather conditions delay filming outdoor scenes . The scenes are put together in the editing room until they achieve the emotional and comedic tone the producers are looking for . The first cut of generally 27 minutes has to be cut down to the air version's 21 minutes and 35 seconds, which may air as little as a few days later . Only upon completion do the producers know what version ends up in the episode . </P> <P> True American is a fictional, convoluted drinking game that the New Girl characters first played in the season 1 episode "Normal". In September 2012, producer Brett Baer felt the concept of the game "deserves its own episode at some point", but the writers were reluctant to repeat the established rules and rather wanted to make it fresh . A version for the 2012 U.S. Presidential Election was planned but never made . The game's eventual second appearance in season 2's "Cooler" was played with the strip - poker version "Clinton Rules", but the exact rules remain unclear even to the actors . True American with updated rules and the resulting hangover were featured in season 3's "Mars Landing". The writers started to do new True American episodes once each year . </P> <P> After "Normal" aired, internet sources began to summarize the rules for True American, which the characters described as a mix of a drinking game and Candy Land where the floor is lava; it also involves shouting the names of American presidents . The idea of True American came from a New Girl writer who played a similar game in college . As she could not remember the game's exact rules, the writers focused on making the game as funny on the page as possible, but only established chanting "JFK! FDR!" and walking on chairs . As the cast did not understand the game during shooting, the writers created more rules on the spot, advised the actors to "have fun, dig in, jump in" and play it as if "they'd been playing this thing for years and years and years ." The high - energy feel of the game and the amounts of coverage made filming True American more challenging for the actors than normal episodes . Producers Dave Finkel, Brett Baer, and writer Luvh Rakhe, came up with most of the obscure American history facts, but much was cut from the finished episode . </P> <P> Fox subsequently released a set of official rules for the game, which can be summarized "There are no real rules". When the promotional New Girl True American Bus Tour went through 19 American cities in 2012, the writers stated lack of time rather than not knowing the rules for not writing down the rules . Liz Meriwether said the game would not be easier to comprehend in later appearances, as the writers' goal is to actually make it harder to understand . She agreed with The A.V. Club that "It's much funnier if the rules make no sense ." As more people attempted playing the game in real life, Baer pointed out that most people were "getting too drunk too fast" and did not focus enough on strategy, so the writers were thinking of establishing more rules for guidance . Meriwether advised to "just trust your hearts, get really wasted, and look inside yourselves . I think you'll find the rules were there all along ." </P>

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