Mark Sargent
| Real name | Mark Sargent |
|---|---|
| Location on the globe | US |
| Main platform | YouTube |
| Papa flerf | unknown |
| Flerfzi? | not yet confirmed |
| Religiflerf? | unknown |
| Drinks urine? | not yet confirmed |
| Adopted By | not adopted yet |
Mark Sargent
Mark Sargent is an American conspiracy theorist and prominent proponent of the flat Earth theory. He gained significant attention with his 2015 YouTube series, "Flat Earth Clues," which questions the established understanding of Earth's shape.
The Accidental Convert (Or: How to Fail Your Way to the Top)
Mark's origin story is the flat Earth equivalent of slipping on a banana peel and accidentally becoming a cult leader. In 2014, he tried to debunk a flat Earth video—yes, you read that correctly—and failed so spectacularly at debunking it that he accidentally convinced himself. This is like trying to disprove Bigfoot by going into the woods, tripping over something hairy, and emerging as the president of the Bigfoot Fan Club.
His excuse? Being single. No, really—Mark credits his discovery of flat Earth to having "a huge amount of free time on his hands." Apparently marriage and children are the only things standing between most of us and believing Antarctica is an ice wall from Game of Thrones.
Career Highlights (Lowlights?)
- Software analyst turned professional wrong-person — transitioned from IT (where being correct matters) to full-time YouTuber (where being entertainingly wrong pays better)
- Star of "Behind the Curve" — a Netflix documentary where he proudly proclaimed "Science is having a problem combatting what we are doing" right before experiments proved the Earth's curvature... twice
- Author of "Flat Earth Clues" — because apparently "How to Be Confidently Incorrect: A Memoir" was already taken
- Recipient of 2025 Cease and Desist — sued by his former fellow flat Earthers for defamation after they left the cult. Nothing says "we're a legitimate movement" like suing each other while agreeing the Earth is a Frisbee
Greatest Hits
| Claim | Reality |
|---|---|
| "I can see Seattle from Whidbey Island, therefore flat" | Atmospheric refraction is a thing, Mark |
| "NASA lies about everything" | Except when they provide satellite TV, weather data, or GPS—those are fine |
| "Science throws math at us" | Math: exists Mark: "This is aggression" |
| "We're winning against science" | Proceeds to disprove himself with flashlight experiment |
The "Flatties" Awards
In 2016, Mark co-hosted the "Flatties" with Patricia Steere—a self-congratulatory award show where flat Earthers gave themselves trophies for YouTube videos. The award was a gold-painted figure holding a flat Earth on its shoulders, which is either symbolic or just what happens when you have too much free time and access to craft supplies.
Mark's acceptance speech for awards he couldn't win (he was disqualified as a host) included references to Stanley Kubrick, The Shining, and how the printing press was invented to "get lies into minds." You know, normal award show stuff.
Current Status
Still living on Whidbey Island, still seeing Seattle when he shouldn't, still calling Neil deGrasse Tyson "He-Who-Shall-Not-Be-Named" like a wizard who did math at him. Recently spent time making defamatory videos about former flat Earthers who escaped the cult, because nothing recruits new members like publicly attacking people who realized you were wrong.
Recruiter Success Rate: Unknown, but statistically significant enough to be featured in a Netflix documentary that made everyone watching say "Wait, they're serious?"
Known Accounts
Defamation Cease and Desist 2025
On March 27, 2025 Mark, David Weiss, and 2 unnamed others received a cease and desist request on behalf of Robbie Davidson, Paul Lindberg, and Patricia Steere.[1] This is because Mark had made false accusations against them in recent videos because they left the flat earth cult. Mark appeared on a livestream discussing the notification on March 28, 2025. [2] [3]
Other Info
- Sargent has been a speaker at various flat Earth conferences, including the 2017 International Flat Earth Conference in North Carolina.
- He appeared in the 2018 documentary "Behind the Curve," which explores the flat Earth movement and its proponents.
- Sargent has authored books such as "Flat Earth Clues: The Sky's The Limit" and "Flat Earth Clues: End of The World."
For more information or to view his content, you can visit his YouTube channel linked above.
"The reason why we're winning against science is that science just throws math at us." — Mark Sargent, professional recipient of math