| 1. |  R Λ Z Ξ R | The Razer Firefly | Let there be light | 1,349,886 | |
| 2. | LizzieBiz | Isabelle Sings Fireflies | 1,221,321 | |
| 3. | Kadz | Fireflies but every line is pitch shifted perfectly so that it sounds amazing | 572,210 | |
| 4. | Looper | The Untold Truth Of Firefly | 549,578 | |
| 5. | Black Gryph0n | FireFlies (NO AUTOTUNE) - Black Gryph0n Cover | 549,206 | |
| 6. | Fandom Spotlite | FIREFLY ANNOUNCEMENT PANEL – Awesome Con 2026 | 271,206 | |
| 7. | Lisa Nguyen | Dining with Fireflies | 213,308 | |
| 8. | Seri! Pixel Biologist! | Enchanted by Fireflies... • Warrior Cats: Untold Tales - Episode #4 | 206,942 | |
| 9. | NoCopyrightNation | Altrøx & Hevenly - Fireflies [NCN Release] | 174,331 | |
| 10. | Looper | Firefly Fans Could Be Getting Great News Soon | 145,528 | |
| 11. | How To Beat Anime | How To Beat DEATH in "Grave of the Fireflies" | 129,042 | Guide |
| 12. | Kadz | Fireflies but Google Translate makes the lyrics better | 128,637 | |
| 13. | Mr Rock | Wii Theme but its Fireflies | 120,959 | |
| 14. | WalcomS7 | The best shell ejecting NERF Shotgun just got BETTER! WS7 Limited Edition Firefly Shotgun! | 84,095 | |
| 15. | Kadz | Fireflies but the melody is reversed while the words stay the same | 82,052 | |
| 16. | TheBigPayback - Slot Machine Videos | Wild Firefly Slot - $10 Max Bet - BIG WIN BONUS! | 78,662 | |
| 17. | OSSA | Firefly Lane Cast: Real-Life Partners Revealed! |⭐ OSSA | 68,896 | |
| 18. | Kadz | Ed City - Shape of Fireflies | 68,392 | |
| 19. | WaterTower Music | IT Chapter Two Official Soundtrack | Firefly - Benjamin Wallfisch | WaterTower | 64,168 | |
| 20. | JLS Comics | History and Origin of GI Joe's FIREFLY! | 63,778 | |
| 21. | Off The Shelf Board Game Reviews | Off The Shelf Board Game Tutorials Presents - How To Play Firefly | 57,951 | Tutorial |
| 22. | Lore Reloaded | Starship Lore : Firefly Class - The RV of the 'Verse | 55,037 | |
| 23. | JDfromNY206 | WWE Raw May 13, 2019 Full Show Review & Results: BRAY WYATT'S BIG SECRET ON FIREFLY FUNHOUSE! | 49,711 | Review |
| 24. | Papi Galleto | Stan Twitter: Person dancing to Fireflies by Owl City in their car! | 49,433 | |
| 25. | Illumi Music | SICK INDIVIDUALS - Fireflies (feat. Nazzereene) [Festival Mix] | 47,777 | |
| 26. | WalcomS7 | The BEST NERF Shotgun just got BETTER! Firefly Magazine Upgrade! | 43,270 | |
| 27. | Roll For Crit | How to Play Firefly The Game - Roll For Crit | 36,561 | Tutorial |
| 28. | Tolarian Community College | A Critical Review of the Firefly Board Game | 34,175 | Review |
| 29. | Fandom Spotlite | FIREFLY / SERENITY Panel - Wizard World Philadelphia 2019 | 33,447 | Let's Play |
| 30. | StarInSky | Shadow Fight 3. Fireflies - NEW Legendary Composite Glaive Gameplay. AMAZING Moves and Abilities! | 32,467 | |
| 31. | dwightx | Supermechs⛅ (FireFly) MAXED 🔥 & Ranked Floor Pads 2v2s | 29,936 | |
| 32. | Movies Vibes | Firefly Lane Season 2 Part 1 Ending Explained | 26,705 | |
| 33. | Phoenix Nitro | You Need To See This WSC Firefly Funhouse Action Figure Match | 25,340 | |
| 34. | aWalkThroughLife | Lost in Firefly Forest Walkthrough | 22,528 | Walkthrough |
| 35. | DubstepGutter | Paper Skies - Fireflies (ft. Meseta) | 22,057 | |
| 36. | OnTableTop | "I Am A Leaf On The Wind!" - Firefly Board Game Demo! | 18,961 | |
| 37. | ONE Media + | Firefly The Video Game Trailer | 18,258 | Preview |
| 38. | ONE Media + | FIREFLY ONLINE Gameplay Trailer (with Nathan Fillion) | 16,867 | Preview |
| 39. | THESNEAKERADDICT | Nike SB Dunk High De La Soul White Firefly Sneaker Review On Feet W/ Comparison With OG Green | 15,528 | Review |
| 40. | Kadz | Dance Till You're Fireflies | 14,974 | |
| 41. | Krad Dark Arts AMVs | K On! Fireflies AMV | 14,641 | |
| 42. | MunchingOrange | MO sings Fireflies | 14,479 | |
| 43. | Illumi Music | LUM!X & Jordan Rys - Fireflies (Extended Mix) [2023 Techno Remix] | 14,435 | |
| 44. | Naptown Nerf | [REVIEW] A True NERF Tactical Shotgun! (The FIREFLY from Colonel WASP) | 13,454 | Review |
| 45. | Lucky Penny Shop | Nerf Firefly REV-8 Eight Dart Revolver 2003 - N-Strike Series | 13,228 | |
| 46. | Kadz | to TEn MiLLIoN FiREFLIEs I'm WEird caUsE I HAtE goOdBYEs | 12,999 | |
| 47. | 1DoctorGenius | Prodigy Math Game - RAREST "'FIREFLY GEM'" - HOW TO GET IT AND Unlock the EARTH TOWER -1DoctorGenius | 12,117 | Guide |
| 48. | OnTableTop | Bolt Action Unboxing: Sherman VC Firefly | 11,060 | |
| 49. | Lucky Penny Shop | Firefly in a Jar, Glows and Acts Like the Real Thing - Spring or Easter Basket Item | 10,879 | |
| 50. | Jelly Tunes | Owl City - Fireflies (Lyrics) | 10,344 | |
| 51. | ClickteamLLC | Project Firefly Teaser | 10,261 | |
| 52. | Monster Gaming | Monster Legends: Firefly Level 1 To 100 | The Last Metropolitan Bounty Hunt Mythic | Skills & Combat | 9,913 | |
| 53. | BoardGameGeek | Firefly Adventures: Brigands & Browncoats — game preview at Gen Con 50 | 9,382 | |
| 54. | Looper Español | Los Fans De Firefly Pronto Podrían Recibir Muy Buenas Noticias | 8,690 | |
| 55. | BoardGameCo | Gamefound Feast - Beast Reprint, Carson City, Coloma, Firefly Deluxe & More! | 8,657 | |
| 56. | Gunjamed | Firefly Online Let's try 2 | 8,603 | |
| 57. | Jeff Favignano | VLOG #26 - Fireflies | 7,999 | Vlog |
| 58. | TheTekkitRealm | YouTubers Sing FireFlies by Owl City | 7,815 | |
| 59. | CurryPotato | 🌟Firefly | 7,635 | |
| 60. | 1DoctorGenius | Prodigy Math Game 2020 - RAREST "FIREFLY GEM" - How to catch rarest gem - part 2.7985 billion | 7,151 | Guide |
| 61. | Phoenix Nitro | The First WSC Firefly Funhouse Match Was Insane | 6,649 | |
| 62. | UnrealHero | Razer Firefly V2 Review | Firefly vs Firefly V2 Comparison | 6,520 | Review |
| 63. | OnTableTop | What's in the Box: Firefly, Prime Axiom & Anarchy Models - Basing Bits! | 6,109 | |
| 64. | Off The Shelf Board Game Reviews | Off The Shelf Board Game Reviews Presents - Firefly | 5,658 | Review |
| 65. | SeanSkee20 | Fireflies leave | 5,612 | |
| 66. | SageNine Music | Fireflies & Lo-Fi 🌙 Relaxing LoFi for Summer | 5,552 | |
| 67. | Silent Johnny | Marauders Are Killing Fireflies! - Lost Light | 5,433 | |
| 68. | ClickteamLLC | Firefly Teaser #3 | 5,188 | |
| 69. | CRiZZO | RAZER - Firefly Mouse Pad | 4,771 | |
| 70. | OnTableTop | Unboxing Firefly Adventures | 4,218 | |
| 71. | Alex Giudici | Grave of the Fireflies - Setsuko & Seita (Alex Giudici Remix) | 4,157 | |
| 72. | CloudyDayz | [ #FIREFLY ] Firefly edit / DEATH - Melanie Martinez | 4,143 | |
| 73. | ClickteamLLC | Disaster at Firefly Station - Trailer | 3,904 | |
| 74. | John & Michelle: Video Games, Tech, Humor, Reviews | Ajazz Budget RGB Lit Hard Gaming Mouse Pad! Razer Firefly Dupe? Unboxing review & comparison! | 3,846 | |
| 75. | Fandom Spotlite | FIREFLY Cast Panel Highlights – Dragon Con 2023 | 3,742 | |
| 76. | R Knights | Firefly 1x2 Reaction | The Train Job | First Time Watching | 3,738 | Show |
| 77. | Z7duckx | Attempting to Default Dance to Every Beat: Fireflies | 3,469 | |
| 78. | R Knights | WE DID NOT SEE THIS COMING!!!! | Firefly 1x6 Reaction | Mrs. Reynolds | First Time Watching | 3,377 | Show |
| 79. | Crabbok | Firefly: Misbehavin' - Gameplay Walkthrough and Review | 3,339 | Review |
| 80. | CommunityGame | Firefly Online If I Were a Captain Trailer 【HD】 | 3,336 | Preview |
| 81. | Positive Sounds | Spirit Untamed – Fireflies (feat. Robin Pecknold & Eiza González) | 3,322 | |
| 82. | FOREVER WITH U | Fireflies - Owl City (Lyrics) The Chainsmokers ft. Halsey, Fireflies | 3,314 | |
| 83. | R Knights | OUR FAVORITE SO FAR!!! | Firefly 1x8 Reaction | Out of Gas| First Time Watching | 3,227 | Show |
| 84. | OnTableTop | Flames Of War Painting Tutorial - Sherman Firefly | 3,053 | Tutorial |
| 85. | R Knights | Firefly 1x3 Reaction | Bushwacked | First Time Watching | 2,886 | Show |
| 86. | John & Michelle: Video Games, Tech, Humor, Reviews | Razer Chroma Firefly and Deathadder Gaming Mouse and Mousepad review. Is it worth the $100? | 2,878 | Review |
| 87. | R Knights | THE MAN THEY CALL JAYNE!!! | Firefly 1x7 Reaction | Jaynestown | First Time Watching | 2,834 | Show |
| 88. | ZacBreezy Games | Fireflies Night Lights | Toca Life World | 2,827 | |
| 89. | R Knights | Firefly 1x4 Reaction | Shindig | First Time Watching | 2,801 | Show |
| 90. | PompexTv | Firefly Lane Season 2 Ending Explained | 2,771 | Preview |
| 91. | R Knights | Firefly 1x5 Reaction | Safe | First Time Watching | 2,436 | Show |
| 92. | One Stop Co-op Shop | Legendary Encounters: Firefly (POTENTIAL SPOILERS) | 2,407 | |
| 93. | Harzy | A*Teens - Firefly (Nightcore) [1 Hour Version] | 2,386 | |
| 94. | CloudNinja | Owl City - Fireflies (CloudNinja Remix) | 2,294 | |
| 95. | Omega Ordained | Firefly Episode Overview 11 Trash (Firefly) | 2,268 | Show |
| 96. | 8BE | Shiny the Firefly (Wii U) Review | 8-Bit Eric | 2,159 | Review |
| 97. | Silent Johnny | The Grenade Is A Sneaky Enemy Of Fireflies - Lost Light | Day 87 | Gameplay #320 | 2,093 | |
| 98. | SizzleGames | Evil Fireflies! | FunBrain: Math Arcade w/ FACECAM - PART 2 | 1,887 | |
| 99. | Silent Johnny | Briefly About The Relationship Between Marauders And Fireflies - Lost Light | 1,855 | |
| 100. | Omega Ordained | Firefly Episode Overview 13 Heart of Gold (Firefly) | 1,805 | Show |
