In which one canny Detroit billionaire manages to gain sole control of the linchpin of American foreign trade, and John repeatedly insists he is not giving advice to terrorists. Certificate #36634.
In which lawns are revealed to be covering three times as much of America as any other crop, and Ken explains why the tallgrass prairies of the 19th century produced no great tennis players. Certificate #31632.
In which Victorian England becomes obsessed with the beautiful fronds and sexy lifestyle of ferns, and John brings the Arts and Crafts movement to the grunge era. Certificate #31358.
In which a Dominican diplomat cozies up to one of history's worst dictators, marries the two richest women in the world, and creates our modern image of the macho "Latin lover," and Ken tries to revive some slang from 1980s sex comedies. Certificate #41003.
In which Ronald Reagan, of all people, introduces a new legal philosophy of marriage and divorce to America in 1970, though it takes New York forty years to catch up. Certificate #27256.
In which a single 1961 comic book births a multiverse and reshapes our modern understanding of parallel dimensions in art as well as life, and John wistfully fantasizes about an honest Hitler. Certificate #46819.
In which the "mondo" shock movie craze of the 1960s inspires a morbid megahit that turns out to be more hoax than documentary, and monkey brains make their big-screen debut. Certificate #41907.
In which the origins of America's favorite 21st-century horror trope are traced back to the miseries of Caribbean plantation slavery, which is a huge bummer, and John ponders the role of squash in the afterlife. Certificate #49964.
In which an American dairy surplus and some dubious policy decisions creates a processed welfare staple of the Reagan era, and Ken reveals his favorite lunchmeat. Certificate #24553.
In which one of America's great folk heroes is revealed as a Swedenborgian mystic, a land baron, and—to John's mind—a 19th-century weed dealer. Certificate #36692.
In which humankind's dream of flying with the birds leads through all manner of weird ornithopters and flying bikes to a very low-altitude crossing of the English Channel, and John aces the Pepsi Challenge on a boat. Certificate #20913.
In which an unscrupulous Michigan music promoter dispatches fake versions of one of the great bands of rock's British Invasion, and John wages his own copyright battle against a legendary pioneer woman. Certificate #51274.
In which the chaos of Europe around 1900 produces a literary hoax that powers a century of anti-Semitism and conspiracy theories, and Ken shares his distrust of sports stadiums. Certificate #42869.
In which scholasticism gets roasted for its obsession with thorny, possibly pointless theological questions, and John explains the difference between escalator angels and hobo angels. Certificate #39095.
In which music legend Brian Eno and an artist friend develop a tarot deck for beating writer's block, and Ken uses lateral thinking to determine that John and Mary were goldfish. Certificate #26638.
In which a mountaineering legend disappears in Pakistan, his game show icon widow becomes convinced he's secretly a spy, and John dresses like the worst kind of CIA agent. Certificate #31997.
In which America's love for French celebrity guests and her abundance of corporate litter combine to create an iconic New York tradition, and Ken ponders what to do with a giant Styrofoam version of his head. Certificate #9509.
In which a helpful new phone app is developed to prevent Icelanders from dating their cousins, which may tragically keep them outside of the "Goldilocks Zone" of inbreeding. Certificate #20625.
In which the canonical greatest innovation of modern life turns out to be a result of uneven toaster technology, and John builds the worst soapbox racer of all time. Certificate #50925.
In which a German church organ perform a John Cage composition so slowly that the concert will last 639 years, and Ken has an opinion on who the horniest characters are in Middle-earth. Certificate #24524.
In which a horrorcore rap-rock duo from Detroit accidentally creates a global army of misfits and outcasts, and Pearl Jam gets John thrown in jail five times. Certificate #32373.
In which a combination of Cold War paranoia and good old-fashioned racism convince America that deliciously "umami" Asian food is actually killing them, and Ken eats kelp in a kayak. Certificate #21879.
In which two overeager fighter pilots chase down a runaway drone over Southern California, accidentally lighting much of the state on fire, and John wants to be a marshal of some kind. Certificate #31303.
In which an adventurous Prussian polymath single-handedly revolutionizes modern science, and even helps kick-start the liberation of South America and the environmental movement, and John and Ken ponder their own inevitable disappearance down the memory hole. Certificate #41705.
In which a vaudeville baby whistler becomes the world's first movie star and goes on to invent the electric windshield wiper, and Ken's knowledge of Ogden Nash insults finally comes in handy. Certificate #52050.
In which many of the most commonly taught grammar and usage rules in English are revealed to be arbitrary, made-up, out-of-date, or all three, and John explains why Miss Manners should be in charge of the Internet. Certificate #41607.
In which an eccentric metallurgist with a theater troupe begins one of the strangest science experiments in history and learns that humankind might not be ready for Mars yet, and Ken watches Jeff Bezos injure a fig tree. Certificate #34308.
In which we follow the history of government games of chance from ancient China to today's bankrupt Powerball millionaires, and John grifts his elementary school out of a side of beef. Certificate #32943.
In which a bygone errand, developing vacation snapshots, becomes so widespread that it gets its own chain of drive-thru kiosks, and Ken's mom looks great in a red knit jumper and gold polyester turtleneck. Certificate #38597.
In which four mysterious cones are unearthed from proto-Celtic Europe, perhaps holding untold secrets of the calendar and cosmos, and John is surrounded by the happy nudists of the Danube. Certificate #23490
