In which the U.S. government tries to ban a Rod Serling TV movie for inspiring too many mid-air extortions, all of which can be foiled by knowing the right trivia fact about Denver. Certificate #41961.

In which a Lancashire grocer and pub landlord becomes the most skilled executioner of all time, and John explains the best part of being guillotined. Certificate #21776.

In which a Colorado housewife and her tractor dealer friend jump-start the 1950s "reincarnation" fad, and Ken ponders whether or not he was "Endora" in a past life. Certificate #29314.

In which a 16th-century jack-of-all-trades judiciously joins a jaunty new Johnny-come-lately to our jargon because he's just so jazzed about Jesus. Juxtaposed with John's jumbled jeremiads and Jennings's juvenile jokes. Certificate #23082.

In which Thomas Jefferson, Napoleon, and Goethe go nuts about a best-selling blind Celtic bard who might not even exist, and John writes his first Tolkien fanfic. Certificate #28002

In which military scientists, flush from their success annoying Manuel Noriega with Doors music, try to find that one elusive noise that will liquefy their enemies' bowels. Certificate #42964.

In which John and Ken learn that they share a "chronotype," but disagree over whether it's natural to spend an hour or two every night sitting naked in a chair. Certificate #38846.

In which we ponder two questions: are we living on the inside of a concave sphere? Or is someone else down there, possibly with skimpy outfits and pet dinosaurs? Certificate #19429.

In which the biggest media franchise and the biggest augmented reality game of all time cause us to consider Zionist trading cards, the allure of wooden boats, and the feng shui of construction workers. Certificate #41843.

In which the Soviet Union detonates the biggest bomb in human history, and Ken imagines Nikita Khrushchev as a pro wrestler and a Bond villain. Certificate #20568.

In which we meet one of the last nomadic people on the planet and admire their dress code, and John identifies strongly with a camel that roars when loaded heavily. Certificate #42973

In which mass hysteria strikes the town squares of medieval Europe, John imagines the rigors of jute underwear, and Ken wonders if aliens ever start orgies. Certificate #21161.

In which the world's largest, boxiest truck fleet ages into its fourth decade, and John hunts for an elusive postal mascot from his childhood. Certificate #35752

In which we learn why one of Europe's most isolated countries is dotted with hundreds of thousands of domed concrete pillboxes, and also why zombie movies are thinly veiled racism. Certificate #46673

In which the war between album-oriented rock and its mortal enemy disco boils over into the worst baseball promotion in history, and Ken reveals what 1970s music they play in heaven. Certificate #25815.

In which a huckster and meteorite-hunter, facing a business disaster, starts a still-brewing secession movement on the Oregon-California border, and also we contemplate who all the Looney Tunes characters voted for. Certificate #26085.

In which we learn what happens when an infinite number of tour buses arrive at an infinite hotel with no vacancies, and decide whether or not this is worse than the guest services at the Eagles' Hotel California. Certificate #44261.

In which a minor 1950s celebrity births America's modern cultural war, and Ken gets to complain about his two least favorite things: bigotry, and orange juice. Certificate #31531.

In which a medieval crusade to Jerusalem goes off the rails and ends up sacking the world's greatest Christian city instead. Certificate #11758.

In which an angry teenager in his local library produces a counterculture classic of booby-trap design, leading to John being suspended from junior high for anarcho-capitalism. Certificate #33047.

In which Napoleon Bonaparte is disrespected by John's mom, but almost rescued by an English smuggler in a steampunk submarine. Certificate #37796.

In which John welcomes the microbes from a Montana copper sludge pit who will surely inherit the earth, and Ken announces how many syllables a dog's name should have. Certificate #50365.

In which we study the human brain's terrifying capacity for adaptation, via upside-down cigarette lighting, weird-smelling houses, and "stoner" voice. Certificate #37104.

In which John explains why there are only 643 of the greatest guitar ever made, and Kirk Hammett of Metallica pays $2 million for a Fleetwood Mac hand-me-down. Certificate #30784.

In which Sumeria's shiftiest businessman keeps all his hate mail around for four thousand years, and Ken gets accused of counterfeiting by a local bookstore. Certificate #27107.