S1 E1 • History, Transportation, Astronomy

From Columbus to Ponce de Leon, the horse to horsepower, and Galileo to the order of the planets.

S1 E2 • Animals, Geography of North America, Math

From insects to polar bears, the Great Lakes to the Not So Great Lakes, and the Pythagorean Theorem to endless Pi.

S1 E3 • Money, Plans, World Geography

From dollar bills to financial abbreviations, fruits to chromosomes, and a new ocean to a globe gone south.

S1 E4 • Government, Sports, Music

From presidents to the Supreme Court, the first Olympics to Jackie Robinson, and orchestras to air guitar.

S1 E5 • Climate, Language, Health

From the last ice age to the hottest place on Earth, an antonym for antonym to a metaphor, and calories to the secret of stretching.

S1 E6 • Inventors, Agriculture, Mythology

From the light bulb to the internet, livestock to the real cash crop, and Zeus to the Minotaur.

S1 E7 • Explorers, Culture, Economics

From the South Pole to the moon, slurping soup to feng shui, and purchasing power to monopoly.

S1 E8 • Human Skeleton, Visual Art, American History

From your head to your phalanges, Van Gogh to the rainbow, and the American Revolution to the industrial one.

S1 E9 • Natural History Early Technologies, Food Science

From sabertooth cats to America's first people, the history of pencils to the history of knives, and why popcorn pops and we have only five tastes.

S1 E10 • Civil War, Business, Weather

From Lincoln to Lee, CEO's to the S&P, and tornados to the speed of lightning.

S1 E11 • U.S. Presidents, Chemistry, Performing Arts

From Obama and Reagan, hot air to hydrogen, and Chaplin to Buster Keaton

S1 E12 • Medieval Times, Astronomy, Energy

From the Crusades to catapults, Earth's rotation to Jupiter's moons, and OPEC to windmills.

S1 E13 • U.S. Capitals, Oceans, Dinosaurs

From the smallest capital to the highest, the Great Barrier Reef to volcanoes, and T-Rex to ancient birds.

S1 E14 • Sports, Geography, Science

From the first Olympic gold to the oldest Olympic athlete, the longest geographical name to countries within countries, and the brains of geniuses to animals with accents.

S1 E15 • Health, Food, History

From your number one fear to hiccups, the history of the baker's dozen to the origin of orange, and blitzkriegs to “bless yous.”

S1 E16 • Science, People, Animals

From the foundation of the universe to a jiffy, spies who become leaders to Nobel Prizes, and speedy hippos to weird pets.

S1 E17 • Technology, Travel, Music

From the first photograph to the creation of the Internet, the wonders of the world to death by lightning, and platinum albums to 5-year old composers.

S1 E18 • Geography, Culture, History

From the first Academy Awards to the eastern-most state, pirates to the discovery of Antarctica, and unfurnished German apartments to politely sticking out your tongue.

S1 E19 • Health, History, Science​

From the world's happiest job to the happiest country, what you really hear in that conch shell to the secret behind the word robot, and predictions from Jules Verne, Business Week, and Warner Brothers.

S1 E20 • Animals, History, People

From naked mole rats to the animals of 1492, the real reason it’s called America to Civil War surgeries, and Charles Lindbergh to Jackie Robinson.

S1 E21 • Geography, Science, Health

From the reason North is up to the fight over the number of oceans, the history of climate change to the truth about vegetables, and the skinny on stretching to the medical benefit of hugs.

S1 E22 • Science, History, the Arts

From the reason cheese tastes good to the air pressure on Everest, the first pencil to the poleaxe, and Harry Houdini to Charlie Chaplin.