List of Stuff You Should Know episodes (2021)
# List of Stuff You Should Know episodes (2021)

This is a list of episodes from 2021 for the Stuff You Should Know podcast.

## 2021 season

| No. in series | No. in season | Title | Length | Original air date |
| - | - | - | - | - |
| 1335 | 1 | "Space Weather - What's That?!" | 54 minutes | January 5, 2021 (2021-01-05) |
| 1336 | 2 | "The Wright Brothers" | 69 minutes | January 7, 2021 (2021-01-07) |
| 1337 | 3 | "Hell! Hell! Hell!" | 62 minutes | January 12, 2021 (2021-01-12) |
| 1338 | 4 | "The Science of Cute" | 58 minutes | January 14, 2021 (2021-01-14) |
| 1339 | 5 | "What does a tire company know about food?" | 51 minutes | January 19, 2021 (2021-01-19) |
| 1340 | 6 | "Finding the Fenn Treasure" | 54 minutes | January 21, 2021 (2021-01-21) |
| 1341 | 7 | "The KKK: Loathsome Cosplay Rednecks" | 62 minutes | January 26, 2021 (2021-01-26) |
| 1342 | 8 | "How Hydropower Works" | 56 minutes | January 28, 2021 (2021-01-28) |
| 1343 | 9 | "How Groundhog Day Works" | 55 minutes | February 2, 2021 (2021-02-02) |
| 1344 | 10 | "The NAACP" | 50 minutes | February 4, 2021 (2021-02-04) |
| 1345 | 11 | "Sacagawea: Impressive Teen" | 53 minutes | February 9, 2021 (2021-02-09) |
| 1346 | 12 | "How Housing Discrimination Works" | 59 minutes | February 11, 2021 (2021-02-11) |
| 1347 | 13 | "The Disappearance of Lars Mittank" | 48 minutes | February 16, 2021 (2021-02-16) |
| 1348 | 14 | "How Blue Holes Work" | 42 minutes | February 18, 2021 (2021-02-18) |
| 1349 | 15 | "What Will Farming 4.0 Look Like?" | 51 minutes | February 23, 2021 (2021-02-23) |
| 1350 | 16 | "How Bruce Lee Worked" | 56 minutes | February 25, 2021 (2021-02-25) |
| 1351 | 17 | "Is the Free Radical Theory of Aging Wrong?" | 56 minutes | March 2, 2021 (2021-03-02) |
| 1352 | 18 | "Why is the Equal Rights Amendment still not ratified?" | 54 minutes | March 4, 2021 (2021-03-04) |
| 1353 | 19 | "Dragons: As Real as Mermaids" | 45 minutes | March 9, 2021 (2021-03-09) |
| 1354 | 20 | "Karaoke: Tuesday Night Fever" | 59 minutes | March 11, 2021 (2021-03-11) |
| 1355 | 21 | "The Parrot Episode" | 56 minutes | March 16, 2021 (2021-03-16) |
| 1356 | 22 | "The Texas City Disaster of 1947" | 46 minutes | March 18, 2021 (2021-03-18) |
| 1357 | 23 | "What is biophilic design?" | 56 minutes | March 23, 2021 (2021-03-23) |
| 1358 | 24 | "Space Junk, Ahoy!" | 55 minutes | March 25, 2021 (2021-03-25) |
| 1359 | 25 | "How the Titanic Worked: Part One" | 53 minutes | March 30, 2021 (2021-03-30) |
| 1360 | 26 | "How the Titanic Worked: Part Two" | 55 minutes | April 1, 2021 (2021-04-01) |
| 1361 | 27 | "Havana Syndrome: ¿Qué Diablos?" | 48 minutes | April 6, 2021 (2021-04-06) |
| 1362 | 28 | "Muzak: Easy Listening Goodness" | 58 minutes | April 8, 2021 (2021-04-08) |
| 1363 | 29 | "How the Electrical Grid Works" | 64 minutes | April 13, 2021 (2021-04-13) |
| 1364 | 30 | "Hair Loss: The Pits" | 63 minutes | April 15, 2021 (2021-04-15) |
| 1365 | 31 | "Mechanical Bulls!" | 52 minutes | April 20, 2021 (2021-04-20) |
| 1366 | 32 | "How Stamp Collecting Works" | 61 minutes | April 22, 2021 (2021-04-22) |
| 1367 | 33 | "Truffles: Underground Treasures" | 46 minutes | April 27, 2021 (2021-04-27) |
| 1368 | 34 | "How Corporate Taxes Work" | 55 minutes | April 29, 2021 (2021-04-29) |
| 1369 | 35 | "The Appendix: No Respect" | 49 minutes | May 4, 2021 (2021-05-04) |
| 1370 | 36 | "How Uranium Mining Works" | 56 minutes | May 6, 2021 (2021-05-06) |
| 1371 | 37 | "The Ivy League" | 55 minutes | May 11, 2021 (2021-05-11) |
| 1372 | 38 | "How Monster Trucks Work" | 53 minutes | May 13, 2021 (2021-05-13) |
| 1373 | 39 | "The Cleveland Torso Murders" | 54 minutes | May 18, 2021 (2021-05-18) |
| 1374 | 40 | "Girl Scouts: More than cookie sellers" | 56 minutes | May 20, 2021 (2021-05-20) |
| 1375 | 41 | "How Cleft Lips and Palates Work" | 46 minutes | May 25, 2021 (2021-05-25) |
| 1376 | 42 | "Night Trap: The Video Game Failure that Changed the Industry" | 47 minutes | May 27, 2021 (2021-05-27) |
| 1377 | 43 | "What Causes Inflation?" | 53 minutes | June 1, 2021 (2021-06-01) |
| 1378 | 44 | "John Muir: Outdoor Enthusiast" | 48 minutes | June 3, 2021 (2021-06-03) |
| 1379 | 45 | "Slime Mold: 0% Mold, 100% Amazing" | 55 minutes | June 8, 2021 (2021-06-08) |
| 1380 | 46 | "POGs: The 90s in a Bottle Cap" | 55 minutes | June 10, 2021 (2021-06-10) |
| 1381 | 47 | "Seven - No, Wait, Five - Mysteries of the Art World" | 52 minutes | June 15, 2021 (2021-06-15) |
| 1382 | 48 | "How Venus Works" | 46 minutes | June 17, 2021 (2021-06-17) |
| 1383 | 49 | "The Mystery of Damascus Steel" | 42 minutes | June 22, 2021 (2021-06-22) |
| 1384 | 50 | "How Faraday Cages Work" | 48 minutes | June 24, 2021 (2021-06-24) |
| 1385 | 51 | "Poison Control Centers: A Good Thing" | 56 minutes | June 29, 2021 (2021-06-29) |
| 1386 | 52 | "The Grand Ole Opry Cast" | 43 minutes | July 1, 2021 (2021-07-01) |
| 1387 | 53 | "The Sad Story of William James Sidis" | 46 minutes | July 6, 2021 (2021-07-06) |

### Short Stuff (2021)

| No. in series | No. in season | Title | Length | Original air date |
| - | - | - | - | - |
| 118 | 1 | "Short Stuff: Is It Theater or Theatre?" | 12 minutes | January 6, 2021 (2021-01-06) |
| 119 | 2 | "Short Stuff: Silverfish" | 10 minutes | January 13, 2021 (2021-01-13) |
| 120 | 3 | "Short Stuff: Necco" | 13 minutes | January 20, 2021 (2021-01-20) |
| 121 | 4 | "Short Stuff: Vantablack" | 13 minutes | January 27, 2021 (2021-01-27) |
| 122 | 5 | "Short Stuff: Balloonfest" | 14 minutes | February 3, 2021 (2021-02-03) |
| 123 | 6 | "Short Stuff: How California Got Its Name" | 13 minutes | February 10, 2021 (2021-02-10) |
| 124 | 7 | "Short Stuff: Freedom House Ambulance Services" | 17 minutes | February 17, 2021 (2021-02-17) |
| 125 | 8 | "Short Stuff: The Body in the Cylinder" | 15 minutes | February 24, 2021 (2021-02-24) |
| 126 | 9 | "Short Stuff: Dog Suicide Bridge" | 13 minutes | March 3, 2021 (2021-03-03) |
| 127 | 10 | "Short Stuff: Tooth Fairy: Not Real" | 13 minutes | March 10, 2021 (2021-03-10) |
| 128 | 11 | "Short Stuff: Brazilian Jars" | 16 minutes | March 17, 2021 (2021-03-17) |
| 129 | 12 | "Short Stuff: Cellphones on Airplanes" | 14 minutes | March 24, 2021 (2021-03-24) |
| 130 | 13 | "Short Stuff: What's the oldest book?" | 12 minutes | March 31, 2021 (2021-03-31) |
| 131 | 14 | "Short Stuff: Venus de Milo" | 12 minutes | April 7, 2021 (2021-04-07) |
| 132 | 15 | "Short Stuff: Palindromes" | 14 minutes | April 14, 2021 (2021-04-14) |
| 133 | 16 | "Short Stuff: Madam C.J. Walker" | 14 minutes | April 21, 2021 (2021-04-21) |
| 134 | 17 | "Short Stuff: Ivar The Boneless" | 11 minutes | April 28, 2021 (2021-04-28) |
| 135 | 18 | "Short Stuff: Squarer Than Wombat Poop" | 13 minutes | May 5, 2021 (2021-05-05) |
| 136 | 19 | "Short Stuff: Garter Snakes" | 12 minutes | May 12, 2021 (2021-05-12) |
| 137 | 20 | "Short Stuff: Speed Reading" | 14 minutes | May 19, 2021 (2021-05-19) |
| 138 | 21 | "Short Stuff: Parachute Emergency!" | 13 minutes | May 26, 2021 (2021-05-26) |
| 139 | 22 | "Short Stuff: Runner's High" | 13 minutes | June 2, 2021 (2021-06-02) |
| 140 | 23 | "Short Stuff: Chinatowns" | 14 minutes | June 9, 2021 (2021-06-09) |
| 141 | 24 | "Short Stuff: Mojave Megaphone" | 13 minutes | June 16, 2021 (2021-06-16) |
| 142 | 25 | "Short Stuff: Chastity Belts" | 13 minutes | June 23, 2021 (2021-06-23) |
| 143 | 26 | "Short Stuff: Beast of Gevaudan" | 12 minutes | June 30, 2021 (2021-06-30) |
| 144 | 27 | "Short Stuff: Sulfanilamide Disaster" | 13 minutes | July 7, 2021 (2021-07-07) |
