Jay and Mark discuss the disputed territory of Bir Tawil which sits between Egypt and Sudan, although neither country wants it.

Jay and Mark examine the 13th century Hereford Mappa Mundi and discuss its unique Christian depiction of the world over a geographically accurate one.

North England and South England have cultural, economic, and historical differences, Jay and Mark try to figure out where dividing line is.

Jay and Mark discuss the enclave and exclaves of the Bangladesh–India border.

Jay and Mark examine a map of East Berlin which contains a notable blank space where West Berlin should be.

Jay and Mark discuss the geopolitical ownership of the South China Sea.

Jay and Mark discuss the border changes between England and Scotland. They mention the town of Berwick-upon-Tweed which has swapped hands between the two nations roughly 14 times. Berwick-upon-Tweed is currently under English control and last swapped hands in 1482.

Jay and Mark discuss maps with purposefully inaccurate details that catch cartography companies from copying each other.

Jay and Mark discuss the problems with projecting the Earth onto a two-dimensional map. They notably talk about the Mercator projection, which most of the world uses in the 21st century.

Jay and Mark examine the Cassini map of France and how the four generations of the Cassini family used triangulation to complete it.

Jay and Mark discuss time zones and how some anomalies that have risen due to border arrangements.

Jay and Mark examine how Dr. John Snow used map data to identify the source of a deadly cholera outbreak in 1854. This episode was written during and took inspiration from the COVID-19 lockdowns.

Jay and Mark explore the history behind various British towns and villages that have difficult names to pronounce.

Jay and Mark examine how Soviet cartographers during the Cold War produced incredibly detailed maps of Britain and the world.

Jay and Mark explain the scientific theory of continental drift as proposed by Alfred Wegener and how the continents have shifted and will shift over millions of years.

Jay and Mark discuss the geopolitics surrounding Antarctica.

Jay and Mark figure out which country is the most square shaped. They deduce that Egypt is the squarest country.

Note: This episode is in song form.

Jay and Mark discuss the ambiguity of the term, "America" and how it does not solely refer to the United States of America.

Jay and Mark discuss how countries become countries and various failed attempts for statehood.

Jay and Mark examine how many continents are on Earth and how various groups define continents.

Jay and Mark explore the history of longitude and how figuring it out was vital to exploration and travel around the world.

Jay and Mark explain the types of counties in England. The 3 types of counties are historical, administrative, and postal.

Jay and Mark explore why North is at the top of most world maps.

Jay and Mark examine why cities in the United Kingdom seemingly are inconsistently categorized as "cities" or not "cities".

Jay and Mark explore the history of communication from letters, telegraphy, morse code, and eventually to the Internet. They also discuss the importance of maintaining the security of undersea internet cables in the 21st century.

Jay and Mark discuss country code internet domains and how they were established. Prior to November 2023, when the free domain model was discontinued for scam and phishing purposes, Tokelau had the most amount of sites registered under the .tk domain.

Jay and Mark examine the history of phantom islands and how they have been falsely added to sites like Google Maps.

Jay and Mark attempt to figure out a final answer to how many countries there are in the world. They use various methods to figure out the answer, although find various contradictions. The United Nations states there are 193 recognized countries (plus 2 observer states), if limited recognition states are included, the total is 208. If only non-disputed nations are recognized, the total is 188. If non-sovereign, but still "act like" countries are included, 282. Recognizing micronations, 368. Due to global politics and inconsistencies, Jay and Mark's final answer is: "It depends who you ask." and estimate "around 200" total countries.

Jay and Mark discuss the history and present-day consequences of Gerrymandering in the United States.

Jay and Mark play against each other in 2 games (each of 5 rounds) of Geoguessr. The person with the least amount of points by the end of the 5 rounds would be sent to the destination farthest from where they guessed in-game for that particular game.

Results

• Jay won both games. (Game 1: 22,202 points; Game 2: 16,901 points).
• Mark lost both games. (Game 1: 18,618 points; Game 2: 16,706 points).

Mark was sent to Bermuda and Dakar, Senegal.

Jay and Mark visit the Ordnance Survey in Southampton, England to show how vital their mapping data is to everyday life in the United Kingdom.

Note: This episode is in Short form.

Jay and Mark team up with Callum, a worker for the Ordnance Survey, to map out a local neighbourhood that has yet to be mapped. They go into further detail on how the OS surveys the country, notably aerial photography and street view.

Note: This episode is in Short form.

Jay and Mark discuss twin towns between the United Kingdom and other countries.

Jay and Mark examine how the Netherlands is 17% artificial through its land reclamation processes.

Jay and Mark discuss the rarely discussed "east-west divide" of England as opposed to the north-south divide.

Jay and Mark examine the Pan-American highway concept and the Darien Gap which harshly divides the highway in two. The highway is not a singular, continuous road, but rather a collection of various highways spanning 14 countries.

Jay and Mark play against each other in 2 games (each of 5 rounds) of Geoguessr. The person with the least amount of points by the end of the 5 rounds would be sent to the destination farthest from where they guessed in-game for that particular round.

Results

• Jay won the first game and lost the second game. (Game 1: 17,859 points; Game 2: 1,483 points).
• Mark lost the first game and won the second game. (Game 1: 16,401 points; Game 2: 13,021 points).

Mark was sent to Santiago, Chile.
Jay was sent to Manchester, United Kingdom.^[c]