| 201. | Is There One Rule for Our Universe? with Jonathan Gorard | 324 | |
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| 202. | Fusion and Magnetic Reconnection Propulsion with Dr. Fatima Ebrahimi | 315 | |
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| 203. | There Are Discrepancies in Physics with Dr. Brian Keating | 314 | |
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| 204. | Can Humans Travel Through Wormholes? with Prof. Juan Maldacena | 312 | |
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| 205. | What Are Odd Radio Circles? With Prof. Ray Norris | 312 | |
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| 206. | 9 Grouped Anomalies Appeared then Disappeared on a Star Survey in 1950 with Dr. Beatriz Villarroel | 312 | |
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| 207. | Would You Go Into Space? Featuring Matt Williams | 311 | |
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| 208. | Planet Nine Might Be Something Far Stranger Than a Planet featuring Kate Brown and Harsh Mathur | 310 | |
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| 209. | Artificial Green Stars? w/ David Kipping | 310 | |
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| 210. | A Controversial Theory of Gravity: Exploring the Mysteries of MOND with Dr. Brian Keating | 307 | |
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| 211. | What if There is a Dark Mirror Universe All Around Us? With Prof. David Curtin | 304 | |
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| 212. | Hidden History of the Ancient World with Dr. Garrett Ryan | 301 | |
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| 213. | Using Earth to See Across the Universe: The Terrascope with Dr. David Kipping | 297 | |
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| 214. | Are We Alone? w/ Janusz Petkowski | 292 | |
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| 215. | Did James Webb Telescope find the Strangest Galaxy in the Universe? With Mirko Curti | 291 | |
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| 216. | Why We Should Search the Entire Sky for Alien Civilizations with Dr. Shelley Wright | 291 | |
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| 217. | Are Wormholes Real? With Dr. Dejan Stojkovic | 290 | |
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| 218. | Was the WOW! Signal a Sign of Extraterrestrial Life? With Dr. Robert Dixon | 289 | |
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| 219. | Discussing Starship's Fifth Test Flight with Fraser Cain | 288 | Discussion |
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| 220. | Habitable Exomoons? w/ David Kipping of Cool Worlds | 286 | |
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| 221. | Prehistoric Apocalypse, Dinosaurs, and UAP | Dr. L.J. Krumenacker and John Michael Godier | 284 | |
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| 222. | What is Absorbing Ultraviolet Light at Venus? Extraterrestrial life? w/ Dr. Janusz Petkowski | 280 | |
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| 223. | Plumes of Water Vapor Detected on Europa with Dr. Lucas Paganini | 277 | |
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| 224. | Is This the Most Important Century in Human History? with Author Matt Williams | 275 | |
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| 225. | Why We’re in the Age of Mammals with Steve Brusatte | 275 | |
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| 226. | Can We Cloak Earth? Featuring Cool World’s Prof. David Kipping | 273 | |
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| 227. | Why Planet 9 May Not Exist with Kevin Napier | 273 | |
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| 228. | Can They See Us? With Dr. Lisa Kaltenegger and Jonathan Barrientos | 268 | |
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| 229. | Is it Possible to Live on Venus? With Alex Howe | 267 | |
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| 230. | When Humans Discovered Time with Ben Bacon and Dr. Tony Freeth | 266 | |
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| 231. | Mathematical SETI with Dr. Claudio Maccone | 261 | |
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| 232. | Is There a Difference Between the Brain and the Mind? With Robert Lawrence Kuhn | 258 | |
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| 233. | Looking For Signals From Alien Civilizations with Seth Shostak | John Michael Godier | 255 | |
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| 234. | Do Planet Nine and Planet X Exist? With Amir Siraj | 255 | |
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| 235. | Did We Just Detect Dyson Spheres? Featuring Dr. Gabriella Contardo | 251 | |
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| 236. | How To Prove the Multiverse Exists | Dr. Brian Keating | 249 | |
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| 237. | Does the W Boson Measurement Point to a Crisis in Physics? With Dr. Brian Keating | 247 | |
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| 238. | How Exotic is Oumuamua? with Dr. Sergey Mashchenko | 247 | |
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| 239. | Going Hypersonic with Lockheed Martin Engineers James Stetson, Peter Yip, and Jonathan Heinrich | 246 | |
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| 240. | Bizarre Pulsars and New Unexplained Radio Signals with Dr. Ryan S. Lynch | 246 | |
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| 241. | What Fell to Earth From Interstellar Space? With Amir Siraj | 245 | |
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| 242. | Should We Contact Alien Civilizations? With Joe Scott | 245 | |
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| 243. | Is Our Understanding of Life Wrong? With Dr. Janusz Petkowski | 245 | |
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| 244. | Dark Comets and Strangely Moving Asteroids with Dr. Jennifer Bergner and Darryl Seligman | 245 | |
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| 245. | Colonizing Mars: What To Do If There Is Life In The Ground Water | 243 | |
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| 246. | Building the Giant Magellan Telescope with Dr. Rebecca Bernstein and Dr. Jim Fanson | 241 | |
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| 247. | Tantalizing Clues on Europa with Dr. Natalie Wolfenbarger | 238 | |
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| 248. | How Meteorites Have Affected Human Civilization with Werner Herzog and Clive Oppenheimer | 238 | |
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| 249. | Do We Live In A Multiverse? Featuring Brian Keating | 231 | |
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| 250. | Assembly Theory with Sara Imari Walker | 230 | |
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| 251. | The Strongest Materials in the Universe with Prof. Matt Caplan | 229 | |
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| 252. | Is There a Hidden Fifth Force? With Dr. Yu-Dai Tsai | 229 | Show |
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| 253. | What is the Future of Astronomy? Featuring Fraser Cain | 227 | |
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| 254. | Uncovering the Secrets of the Cosmic Microwave Background with Dr. Brian Keating | 227 | |
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| 255. | Can We Put a Radio Telescope on the Far Side of the Moon? With Saptarshi Bandyopadhyay | 225 | |
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| 256. | Testing LK-99 and Room Temperature Superconductors with Michael Perrone and Jeremy Rys | 225 | |
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| 257. | The First Image of a Black Hole with Dr. Feryal Ozel | 223 | |
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| 258. | The Most Unsettling Science and Science Fiction Ideas with Isaac Arthur | 223 | |
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| 259. | There is a Sea of Interstellar Objects in the Galaxy with Amir Siraj of Harvard | 222 | |
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| 260. | New Backwards Time Travel Simulations with Dr. Kater Murch | 221 | |
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| 261. | Do Galaxies with No Dark Matter Prove it Exists? Featuring Shany Danieli | 220 | | Dark Matter
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| 262. | 21 New Tabby's Stars with Dr. Edward Schmidt | 217 | |
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| 263. | Are There Other Earths? with Lisa Kaltenegger | 213 | |
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| 264. | How to Communicate with Europa featuring Dr. Robert Romanofsky of NASA | 211 | Guide |
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| 265. | It Came From the Local Void? The Amaterasu Particle with John Matthews and Toshihiro Fujii | 210 | |
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| 266. | Phineas Gage's Brain and Other Oddities with Joe Scott | 210 | |
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| 267. | The Plan to Search for Alien Technology on Earth with Avi Loeb | 209 | Vlog |
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| 268. | James Webb Space Telescope Updates w/ Massimo Pascale | 207 | Vlog |
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| 269. | Is There Life in the Universe? Featuring Dr. Avi Loeb | 207 | |
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| 270. | Are There Any Laws in Space? With Christopher Hearsey and Nathan Johnson | 206 | |
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| 271. | New Dark Oxygen Discovery May Disturb You | Peter Schroedl | 206 | |
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| 272. | Preview: Dr. Avi Loeb on Dwarf Stars and Ice Shell Moons | 202 | |
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| 273. | How Red Dwarf Stars Could Support Life Featuring Christian Ready | 199 | |
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| 274. | Faster than Light: What Can Do It and What Can't with Dr. Robert Nemiroff | 199 | | FTL: Faster Than Light
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| 275. | How Rockets are Launched with Tory Bruno CEO of United Launch Alliance | 196 | |
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| 276. | Double Asteroid Redirection Test (DART) and Other NASA Missions with Dr. Jim Green | 195 | Show |
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| 277. | Could an Earth-like Planet be Hiding in the Kuiper Belt? With Patryk Lykawka | 195 | |
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| 278. | Can We Save Schrödinger’s Cat? with Yale’s Dr. Zlatko Minev | 193 | |
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| 279. | Why Alien Civilizations May Be Moving To Galaxy Clusters | 190 | |
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| 280. | Is K2-18b a Hycean Exoworld? With Dr. Nikku Madhusudhan | 189 | |
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| 281. | The Interstellar Comet Borisov C/2019 Q4 Featuring Leah Crane | 187 | |
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| 282. | Why is Quantum Physics So Strange? with Dr. Stephon Alexander | 186 | |
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| 283. | What Does 'Oumuamua Look Like? Featuring Dr. Karen Meech | 186 | |
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| 284. | The Geology of the Planets of the Solar System with Emily Lakdawalla | 186 | Vlog |
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| 285. | Looking for Warp Drives with LIGO featuring Luke Sellers, Gianni Martire, and Alexey Bobrick | 184 | |
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| 286. | SETI At the Galactic Core with Dr. Vishall Gajjar | 183 | |
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| 287. | Breakthrough in WARPING Time at Smallest Scale Ever w/ Dr. Jun Ye | 182 | Show |
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| 288. | Signs For a Strange Type of Life on Venus with Dr. Janusz Petkowski | 180 | |
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| 289. | Is This How Life Started? The Water Paradox with Dr. David Deamer | John Michael Godier | 176 | |
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| 290. | Is There a Black Hole in the Center of the Sun? With Earl Bellinger | 175 | |
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| 291. | Is Earth Surrounded by Dark Objects? with Aster Taylor and Darryl Seligman | 175 | |
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| 292. | Are Fast Radio Bursts Signs of Intelligent Life? Featuring Dr. Avi Loeb | 174 | |
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| 293. | The Hunt for Exomoons Featuring David Kipping of Cool Worlds | 172 | |
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| 294. | Robo Eels Exploring Water Worlds, NASA UAP Study, AGI to Take Over? With Fraser Cain | 171 | |
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| 295. | Surviving the End of the World Featuring Dr. Travis Langley | 169 | |
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| 296. | Coming Soon! The Wow! Signal | 166 | |
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| 297. | Coming Age of Space Discovery Featuring Matt Williams | 164 | |
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| 298. | Is Dark Matter Hiding Here? With Sergey Mashchenko | 163 | |
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| 299. | The Invisible Universe that Surrounds Us with Dr. Dave Pooley | 160 | |
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| 300. | 10 Amazing Future Archeological Discoveries | 159 | Vlog |
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