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
In which a periodic "atmospheric river" from the Pacific Ocean threatens to put a quarter of Californians underwater in the very near future, which scares Ken so much that he decides to drill holes in his couch. Certificate #23973.
In which the legal and creative rights of a crested macaque are debated on the world stage, and we learn Ken wants to look like Popeye. Certificate #2720.
In which two savvy farmers try to corner the market on onions by buying up the whole Midwestern supply, and John compares Gerald Ford to a Jesuit. Certificate #25671.
In which rock's most cryptic genius shocks the world by being "born again," releasing three uneven gospel albums and annoying a lot of concertgoers. Certificate #39323.
In which doomed Arctic explorers and a spiritualist's vacuum sealer help revolutionize the science of food storage, and John reveals that his "dueling scars" are actually from drinking cold canned pasta. Certificate #42072.
In which over a century of mathematicians are unable to solve a geometry problem straight out of a coloring book, computers provide their first ever math "proof," and Ken challenges John to map a donut. Certificate #28876.
In which a fictional pipe-smoking salesman invents a new quasi-religion for ironists, Discordians, and weirdos, and Ken believes he could have prevented the Trojan War. Certificate #31147.
In which CBS cancels a full slate of country-fried programming, reinventing TV and marginalizing rural America, and John somehow watches an awful lot of Hee Haw. Certificate #36841.
In which one of the key nutrients for all life on Earth washes inexorably into the ocean all day every day, which really stresses Ken out. Certificate #52178
In which Queen Elizabeth's top astrologer dreams up the British Empire, solar power, and possibly even James Bond, and then loses his whole reputation to a charlatan with no earlobes, leading John to create a list of scientists who should have stayed in their lane. Certificate #44269
