| 401. | The Advanced Technology That Will Take Us To Mars | The New Frontier | Spark | 82 | Vlog |
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| 402. | Britain's Chernobyl: The Windscale Nuclear Disaster | Windscale 1957 | Spark | 81 | |
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| 403. | Why The Right To Repair Law Matters For Your Electronics | E-Life | Spark | 81 | |
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| 404. | Get An Inside Look Behind The World's Longest Flight | Spark | 81 | |
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| 405. | Building the World's Longest Undersea Railway - The Channel Tunnel Story | Spark | 81 | |
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| 406. | What Humanity Can Gain From Other Moons | Cosmic Vistas | Spark | 80 | |
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| 407. | What Is The Curiosity Rover Doing On Mars? | Cosmic Vistas | Spark | 80 | |
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| 408. | Will We Be Able To Regenerate Parts Of Our Body? | Stem Cells | Spark | 79 | |
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| 409. | Secrets Of The Universe Revealed Using Infrared | Cosmic Vistas | Spark | 78 | |
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| 410. | How Big Is Our Galaxy? | Spark | 78 | |
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| 411. | Why We Keep Looking For Signs Of Life On Mars | 78 | |
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| 412. | How Does Rolls Royce Achieve Perfection? | The Perfectionists | Spark | 78 | |
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| 413. | Australia's Most Poisonous Snakes | World's Worst Venom | Spark | 77 | Vlog |
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| 414. | Galileo's Measure Of Gravity Explained By Jim Al-Khalili | The Amazing World Of Gravity | Spark | 77 | |
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| 415. | Would A Smaller Earth Be More Like Mars Or Like Venus? [4K] | Size Matters | Spark | 77 | |
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| 416. | Wind Turbines: Are They Really The Answer? | 76 | |
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| 417. | Flying The Iconic Huey Helicopter During The Vietnam War | Behind The Wings [4K] | Spark | 76 | |
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| 418. | Solar Eclipse Reveals The Truth About Earth | Cosmic Vistas | Spark | 76 | |
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| 419. | How The Hubble Telescope Takes Amazing Photos | Hubble's Canvas | Spark | 75 | |
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| 420. | James May And His Team Build A Bridge From Meccano | James May's Toy Stories | Spark | 75 | |
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| 421. | The Science Behind China's Self-Sufficient "Water Cube" | Megastructures: Aquatics Center | Spark | 75 | |
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| 422. | Searching For The World's Most Famous Meteor | Meteorite Men | Spark | 75 | | Meteorites
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| 423. | The Flawed Design That Led To The Space Shuttle Columbia Disaster | Spark | 74 | |
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| 424. | The Surprising Dangers of Artificial Light [4K] | The Dark Side of Light | Spark | 74 | |
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| 425. | A Search For A Sustainable Future | The Nature of Life | Spark | 74 | |
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| 426. | What Caused Venus To Become Uninhabitable? | The New Frontier | Spark | 74 | |
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| 427. | Hunting The Nighttime Fireball Of The Buzzard Coulee Meteorite | Meteorite Men | Spark | 73 | | Meteorites
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| 428. | What Are The Real Chances Of Life Beyond Our Earth? | The New Frontier | Spark | 72 | |
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| 429. | Hunting Down The Most Valuable Meteorite [4K] | Meteorite Men | Spark | 72 | | Meteorites
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| 430. | How Did Humans Build The First Skyscrapers? | Supersized Structures | Spark | 71 | |
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| 431. | Is Clean Energy A Win For Everyone? | Windfarm Wars | Spark | 71 | |
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| 432. | Why Did It Take 13 Years To Build The Elizabeth Line? | The Trouble With Crossrail | Spark | 71 | |
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| 433. | Alien Life And The Fermi Paradox | 71 | | The Fermi Paradox
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| 434. | Archive Recordings From On Board Apollo 11 Moon Landing | Trajectory | Spark | 70 | |
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| 435. | The Future Of Cybernetic Implants | The Day of The Cyborg | Spark | 70 | |
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| 436. | Starlink: Why Did SpaceX Send 12,000 Satellites Into Orbit? | Zenith | Spark | 69 | |
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| 437. | How Is Humanity Connected To The Cosmos? | Journey Of The Universe | Spark | 69 | |
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| 438. | The Evolution Of Renewable Energy | How Did They Built That? | Spark | 69 | |
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| 439. | Why The Big Bang Theory Has Changed Over Time | 69 | |
|
| 440. | History Of The Dangerous Space Shuttle Program | Trajectory | Spark | 68 | |
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| 441. | Black Holes Explained | Secrets Of The Universe | Spark | 67 | |
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| 442. | How Much Can The Human Brain Learn | The Brain Fitness Program | Spark | 66 | |
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| 443. | Cosmic Rays: Messengers From A Million Light-Years Away | Cosmic Vistas | Spark | 66 | |
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| 444. | Building The Largest Ever Flying Boat | Power: Howard Hughes' Spruce Goose | Spark | 66 | |
|
| 445. | The Scientist Who Sent Alan Shepard To Space | Outlier: The Story Of Katherine Johnson | Spark | 66 | |
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| 446. | How Space Robots Shape The Future [4K] | Tech Effect | Spark | 66 | |
|
| 447. | Deadly Mistake That Sank The Costa Concordia | Spark | 65 | |
|
| 448. | How Does Gravity Work In The Vacuum Of Space? | The New Frontier | Spark | 65 | |
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| 449. | A Journey To The Origins Of The Solar System | Rosetta Comet Chaser | Spark | 65 | |
|
| 450. | Are Wind Farms Bad For The Environment? | Windfarm Wars | Spark | 65 | |
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| 451. | Hunting an Ultra-Rare $50,000 Alpha Meteorite [4K] | Meteorite Men | Spark | 65 | Let's Play | Meteorites
|
| 452. | The Deep Space Hunt For A Liveable Alternative To Planet Earth | 64 | |
|
| 453. | Can We Trust Modified Food? [4K] | Biotech: The World of Microorganisms | Spark | 64 | Vlog |
|
| 454. | How Mobile Phones Changed The World [4K] | The Mobile Revolution | Spark | 64 | |
|
| 455. | How Light Travels Through Time | The World's First Time Machine | Spark | 64 | |
|
| 456. | Predicting The End Of The World | Naked Science | 63 | |
|
| 457. | What Are Solar Flares And What Do They Mean For Us? | Solar Superstorms | Spark | 63 | |
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| 458. | What Do The Deserts Of Mars Look Like? | Cosmic Vistas | Spark | 63 | |
|
| 459. | Building And Delivering A Luxury Floating Home Along 70 Miles of Dutch Canals | Huge Moves | Spark | 63 | |
|
| 460. | Satisfying Montage Of Controlled Demolitions To Relax/Study To | Demolition and Destruction | Spark | 62 | |
|
| 461. | Why Do Women Cheat On Men? | ExperiMental | Spark | 62 | |
|
| 462. | The Underground Fuel Tank That Helped Win WWII [4K] | Underground Britain | Spark | 61 | |
|
| 463. | Saving Steam Engines From Extinction | The Golden Age Of Steam Railways | Spark | 61 | |
|
| 464. | Building The World's Largest LEGO Sculpture | A Big Lego Christmas | Spark | 61 | |
|
| 465. | Could Exoplanets Really Be An Alternative To Planet Earth? | Life Beyond Earth | Spark | 61 | |
|
| 466. | How Understanding The Planet Mercury Tells Us The Secrets Of The Universe | Cosmic Vistas | Spark | 61 | |
|
| 467. | The Biggest Modes Of Transportation Built By Humans | Supersized Structures | Spark | 60 | |
|
| 468. | The Man Who Created The Hydrogen Bomb | From Bombmaker To Peacemaker | Spark | 60 | |
|
| 469. | The Disaster Of Space Shuttle Columbia STS-107 | Cosmic Vistas | Spark | 60 | |
|
| 470. | What Do We Do With Nuclear Waste? | Nuclear Hope | Spark | 60 | |
|
| 471. | Jumboization - Modifying Ships To Make Them Even Bigger [4K] | Heavy Lift | Spark | 59 | |
|
| 472. | These Robots Will Change Our Homes Forever [4K] | Tech Effect | Spark | 59 | |
|
| 473. | America's Most Iconic Fighter Jets | The West's Land-based Fighters & Bombers | Spark | 58 | |
|
| 474. | The Greatest Forms Of Self Defense In The 20th Century [4K] | The Greatest Ever | Spark | 58 | |
|
| 475. | Which Country Owns The Most Powerful Rocket Launcher? [4K] | Zenith | Spark | 58 | |
|
| 476. | Honoring Fallen US Soldiers By Rebuilding Iconic C-47 | Resurrecting A Legend [4K] | Spark | 57 | |
|
| 477. | The Unexpected US And USSR Space Collaboration | Apollo-Soyuz: The First Handshake in Space | Spark | 57 | |
|
| 478. | The Evolution Of Speed & Power In Motorcars| Power: Supersonic Car | Spark | 57 | |
|
| 479. | How America Won The Space Race To The Moon And Beyond | Beyond Our Earth | Spark | 56 | |
|
| 480. | The Story Of A Man Who Got Arrested 30 Times For Hijacking NYC Trains | Off The Rail | Spark | 56 | |
|
| 481. | Airport Police Rush To Fire Near Runway | Dublin Airport | Spark | 55 | |
|
| 482. | America's Greatest Skyscrapers | Building To The Sky | Spark | 55 | |
|
| 483. | Real Life Rocketman Flies With Homemade Jetpack | Rocket Compulsion | Spark | 55 | |
|
| 484. | What Causes The World's Deadliest Tsunamis? | Mega Disaster | Spark | 55 | |
|
| 485. | B-29: The War Machine That Dropped The Nuclear Bombs In WWII [4K] | Combat Machines | Spark | 55 | |
|
| 486. | James May Unveils His Garden At The Chelsea Flower Show | James May's Toy Stories | Spark | 54 | Show |
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| 487. | Restoring The Historic Vulcan Bomber For Its Last Ever Flight | Spark | 54 | |
|
| 488. | The Grand Designs In Outer Space | Hubble's Canvas | Spark | 54 | |
|
| 489. | Can Bionics Change The Way Amputees Live? | Invented In The West Country | Spark | 54 | |
|
| 490. | The Nuclear War Base Designed To Save The Nation [4K] | Underground Britain | Spark | 54 | |
|
| 491. | What Starch Does To Our Gut Bacteria l The Truth About Carbs l Spark | 53 | |
|
| 492. | The Peculiar Way Our Brain Functions | Ever Wondered | Spark | 53 | Vlog |
|
| 493. | Flying WWII's Legendary Fighter Jet - P51 Mustang | Airdogs | Spark | 52 | |
|
| 494. | How To Stop Snoring | Chasing Sleep | Spark | 52 | Guide |
|
| 495. | Are A.I. Terminators Becoming A Reality In War? | Future Warfare | Spark | 52 | |
|
| 496. | The Bitcoin Boom | Bitcoin: Beyond the Bubble | Spark | 51 | |
|
| 497. | James May Takes On An Unexploded WW2 Bomb | James May's Man Lab | Spark | 51 | |
|
| 498. | Why Won't NASA's Parker Solar Space Probe Melt Around The Sun | The New Frontier | Spark | 50 | |
|
| 499. | The Truth About The 1961 US-Soviet Tank Standoff In Berlin [4K] | Combat Machines | Spark | 50 | |
|
| 500. | Why Is Cyber Warfare The New World War | Future Warfare | Spark | 50 | |
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