In which Scottish mill-worker William McGonagall becomes notorious for his utterly sincere but terrible poetry, and John plans to instigate a sex riot. Certificate #44448.

In which we study the long history of inspirations getting jotted down on scrap paper, and Ken learns he's too lively to be a rock musician. Certificate #44181.

In which Sweden literally changes directions overnight, and John feels that the samurai spirit is all in the details. Certificate #30932.

In which a poltitical revolution in Bolivia produces a new wave of visibility for the nation's hat-wearing indigenous women, and Ken wonders which communist dictators were cuddly. Certificate #16179.

In which a new gypsum miracle product takes more than a century to replace lath-and-plaster walls in home construction, and John thinks lizards have ears. Certificate #35059.

In which a now-forgotten Quaker teenager becomes the most fiery and most famous woman orator of her time, and Ken has no idea if Norman Schwarzkopf is alive or dead. Certificate #44568.

In which an aristocrat's private bet about gullible audiences leads to a 1749 theater riot, and John thinks Dick Cheney should have a podcast. Certificate #16793.

In which the Moog synthesizer and the "plant consciousness" movement of the 1970s produce a rare collector's item for lovers of weird music, and Ken refuses to buy his children reptiles. Certificate #27581.

In which the president wears beige to an August 2014 press conference, suddenly creating three or four new kinds of political discourse, each worse than the last. Certificate #35844.

In which we trace two centuries of people being briefly interested in three-dimensional images, and John gets a bad case of "Intellivision thumb." Certificate #27012.

In which a Siberian mystic gets so cozy with Russian royals that he ensures the success of the Bolshevik Revolution, and Ken wonders if he blinks the normal amount of times. Certificate #38899.

In which the American love affair with demolition-based entertainment is born near Waco, Texas in an explosion of iron and steam, and John believes some flight attendants are aliens. Certificate #34659.

In which we follow the arc of nerd culture to the Council of Elrond where a certain kind of fan service is born, and Ken explains why people fight about Frodo and Jesus. Certificate #40170.

In which a zombie pope is forced to stand trial in 9th-century Rome, and Ken discovers a generation of people with strong opinions about the word "zoology." Certificate #28349.

In which an online covered wagon auction unearths an almost-forgotten genre of itinerant performer, and John refuses to identify the Tijuana of Europe. Certificate #46962.

In which an Australian cricket team creates an international controversy with an unorthodox but legal strategy, and Ken accidentally does a Boston accent. Certificate #30080.

In which a modern-day treasure hunter becomes convinced that a priceless trove of British fighter jets is buried at the end of an airport runway, and John becomes a realtor for Myanmar. Certificate #34112.

In which the Internet is born in 1945 when a radar technician in a bamboo hut reads a Life magazine article about a futuristic desk, and Ken wonders if anyone smoked weed at Los Alamos. Certificate #18461.

In which an inept attempt at a Portuguese-English phrasebook becomes an enduring comedy classic, and John celebrates the invention of the stirrup. Certificate #29469.