| 101. | Popular Medieval Memes Explained | 290,951 | | Medieval
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| 102. | The Teeming Universe | Alien Biology | Part II | 290,267 | Vlog | Universe
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| 103. | The World of 'Expedition' | Part II | 289,482 | |
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| 104. | 'Nijin-Konai' Explained | Speculative Biology | 285,355 | Vlog |
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| 105. | The Only Way to Slay a Dragon | 278,741 | |
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| 106. | The Epic of Serina | Part 5 | 273,072 | |
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| 107. | 7 'Out-Of-Place' Historical Artifacts Explained | 267,244 | |
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| 108. | The Biology of No Man's Sky | 229,429 | Vlog | No Man's Sky
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| 109. | They're Here | 227,097 | | The War of the Worlds
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| 110. | Megastructures of the Future Explained | 226,385 | |
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| 111. | "Fragments of the Past" Explained | Worldbuilding | 211,042 | |
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| 112. | The Biology of Tatooine | Speculative Biology | 204,159 | Vlog |
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| 113. | 'Prehistorica' Explained | Dinosaur Park | 202,743 | |
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| 114. | Forgotten Monsters of the Triassic Seas | 187,673 | |
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| 115. | The Incredible Planet of Snaiad | Part II | 185,446 | | Counter-Strike: Source
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| 116. | The Book Nobody Can Translate | Voynich Manuscript | 127,275 | |
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| 117. | The Mysterious History Of Ectoplasm | 124,057 | | Ectoplasm
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| 118. | Greatest Cryptid Hoaxes | Cryptid Corner | 101,601 | |
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| 119. | Animals You Might Not Know are Related | 85,472 | |
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| 120. | Viking Ear-Spoons and Other Ancient Hygiene Practices | 66,111 | |
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| 121. | Paleo Rewind | Discoveries & Mysteries | Jan 2021 | 57,226 | | Counter-Strike: Source
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