| #8607, aired 2022-03-29 | AROUND THE WORLD $400: The highest spot from the center of the Earth is the top of Mount Chimborazo, near the equator in this nation Ecuador |
| #7284, aired 2016-04-21 | AROUND THE WORLD $400: This line goes around the world & gave its name to an Andean country the equator |
| #6739, aired 2013-12-26 | MARK TWAIN $200: Twain took "a journey around the world" in his fifth & last travel book, "Following" this imaginary line equator |
| #6672, aired 2013-09-24 | OH, "G"! $400: (Sarah of the Clue Crew shows an animation of a satellite around the Earth.) Many satellites are in this type of orbit, in which they're at a fixed point moving at the same speed as Earth's rotation geostationary (or geosynchronous) |
| #5957, aired 2010-07-06 | GEOGRAPHY "E" $400: (Tate: I'm Tate Shaffer aboard the National Geographic Endeavour. Alex: And...) We're here in the Galapagos Islands at zero degrees latitude, which means we're right above this imaginary line that goes all the way around the Earth the equator |
| #5364, aired 2007-12-27 | AROUND THE WORLD $400: An African country named for this line is actually one degree north of it the equator |
| #4379, aired 2003-09-25 | AROUND THE YEAR $1600: The astronomical year begins at the vernal equinox, when the sun crosses this line the equator |
| #4036, aired 2002-03-04 | AROUND THE WORLD $1200: In South America, the city of Macapa sits just north of this line; Quito, just south of it the equator |
| #3489, aired 1999-11-04 | THIS IS PLANET EARTH $1000: Imaginary geographic lines around the Earth include the equator & these 2 "tropics" Cancer & Capricorn |
| #3450, aired 1999-09-10 | AROUND THE WORLD $400: This line divides the Northern & Southern Hemispheres Equator |
| #3371, aired 1999-04-12 | AROUND THE WORLD $800: This imaginary line that circles the globe is also known as 0 degrees latitude the equator |
| #3234, aired 1998-10-01 | AROUND THE EQUATOR $200: It's the latitude of any point on the equator 0 |
| #3234, aired 1998-10-01 | AROUND THE EQUATOR $400: This magazine's 1998 swimsuit issue was shot at locations around the world on the Equator Sports Illustrated |
| #3234, aired 1998-10-01 | AROUND THE EQUATOR $600: The Mitad del Mundo, "Middle of the Earth" monument, is near Quito in this country Ecuador |
| #3234, aired 1998-10-01 | AROUND THE EQUATOR $800: These islands were named from the Spanish for "saddles", for the saddleback tortoises found there Galapagos Islands |
| #3234, aired 1998-10-01 | AROUND THE EQUATOR $1000: 14-letter adjective for a satellite's orbit that keeps it above the same point on the equator geosynchronous |
| #2645, aired 1996-02-16 | GENERAL SCIENCE $100: The distance around the earth is 24,902 miles when measured along this imaginary line the equator |
| #1037, aired 1989-02-21 | HORSING AROUND $400: The 2 belts of calm air that extend around the earth at about 30° north & south of the equator the horse latitudes |
| #582, aired 1987-03-03 | OCEANOGRAPHY $400: North of the equator, ocean currents travel in big circles, flowing around in this direction clockwise |
| #418, aired 1986-04-16 | SOUTH OF THE EQUATOR $200: If you decided to swim around the island of Zanzibar, you'd be swimming in this ocean the Indian Ocean |
| #155, aired 1985-04-12 | IN THE MIDDLE $100: Imaginary line which runs around the middle of the earth the Equator |
