| 1. |  LHUGUENY | ♪ UNDERTALE THE MUSICAL - Animation Song Parody | 1,187,355 | |
| 2. | The Game Theorists | Game Theory: UNDERTALE - Sans's SECRET Identity! | 167,909 | |
| 3. | The Game Theorists | Game Theory: Who is W.D. Gaster? (Undertale) | 135,571 | |
| 4. |  jacksepticeye | I DON'T WANT TO BE ALONE! | Undertale #10 (END) | 94,197 | |
| 5. |  Sr Pelo | Underpants - True Ending (SPOILERS) | 91,865 | |
| 6. | jacksepticeye | SHOW SOME MERCY | Undertale #1 | 87,584 | |
| 7. | JT Music | Sans and Papyrus Song - An Undertale Rap by JT Music "To The Bone" [SFM] | 87,463 | |
| 8. | EpreTroll | Megabongvania | Big Ben plays "Megalovania" from Undertale one more time | 73,949 | Let's Play |
| 9. | BuzzMoy | Which Undertale Character Are You? | 65,171 | |
| 10. | jacksepticeye | GET DUNKED ON | Undertale Genocide #3 | 63,260 | |
| 11. | The Game Theorists | Game Theory: Why I Gave the Pope UNDERTALE! | 60,287 | |
| 12. | jacksepticeye | BECOMING A MONSTER | Undertale Genocide #1 | 56,999 | |
| 13. | SpectroliteAAA | Death by Glamour (UNDERTALE ANIMATIC ) - Mettaton vs. Frisk Fight | 56,437 | |
| 14. | The Game Theorists | Game Theory: The Many Sides of W.D. Gaster EXPOSED! (Undertale) | 55,845 | |
| 15. |  Camila Cuevas | Do or Die - Glitchtale S2 Ep #3 (Undertale Animation) | 54,812 | |
| 16. | jacksepticeye | ERASE THE WORLD | Undertale Genocide #4 (ENDING) | 54,020 | |
| 17. | Elu Tran [Archived] | Undertale OST - Megalovania Extended | 53,735 | |
| 18. | Starbot Dubs | Christmas Party AU Movie (Undertale Comic Dub) | 53,201 | |
| 19. | Camila Cuevas | Love - Glitchtale S2 Ep #4 (Part 2) (Undertale Animation) | 52,196 | |
| 20. | jacksepticeye | THE TRUE HEROINE | Undertale Genocide #2 | 50,540 | |
| 21. | Camila Cuevas | Dust - Glitchtale S2 Ep #2 (Undertale Animation) | 50,199 | |
| 22. |  Merg | Undertale - No Hit Sans | 49,912 | |
| 23. |  DanAndPhilGAMES | Dan and Phil play UNDERTALE! | 47,400 | |
| 24. | MoltenFlarez | Undertale Full OST | 47,000 | |
| 25. |  Starbeam | 【Undertale】Stronger Than You Response (ver. Frisk) - Animation | 46,814 | |
| 26. | jacksepticeye | KILL OR BE KILLED | Undertale #9 | 46,389 | |
| 27. | SUPERSKRAT | UnderTale OST: Megalovania 10 Hours HQ - 2,000 Subscribers Milestone | 46,160 | |
| 28. | Smooth McGroove | UNDERTALE - Megalovania Acapella | 46,016 | |
| 29. | Camila Cuevas | Continue - Undertale Animation (Glitchtale #5 - Season 1 Finale) | 45,680 | |
| 30. | flamesatgames | DISBELIEF (Papyrus's Genocide Route) [Undertale] | 45,293 | |
| 31. | The Game Theorists | Game Theory: The Tragedy of Deltarune (Undertale) | 44,142 | |
| 32. |  ДАМБО MUSIC | ДИППЕР VS САНС | СУПЕР РЭП БИТВА | Gravity Falls Dipper ПРОТИВ Undertale Sans | 41,975 | |
| 33. | Aioshi | Undertale - Asgore with a cat + Bergentrückung Intro 😸 | 41,163 | |
| 34. | Aioshi | Undertale - Megalovania with glass of water and a spoon 💧 | 40,793 | |
| 35. | Merg | Undertale - No Hit Flowey (2 Segments) | 40,667 | |
| 36. | DanTDM | DANDERTALE!!! | 40,501 | |
| 37. | The Game Theorists | Game Theory: Gaster's Identity REVEALED! (Undertale) | 38,753 | |
| 38. | A Huge Pancake | Undertale - Ultra-Sans Fight (Fan-made) | 37,367 | |
| 39. | Elu Tran [Archived] | Undertale OST - Hopes And Dreams (Intro) & Save The World Extended | 37,068 | |
| 40. | Camila Cuevas | My Sunshine - Glitchtale Season 2 (Ep #1) Undertale Animation | 36,465 | |
| 41. | whoisthisgit | Why I Hate Undertale | 36,116 | |
| 42. | Suwako Moriya | [Undertale] Sans' boss fight - Genocide Run | 35,932 | |
| 43. | Camila Cuevas | Your Best Friend - Undertale Animation (Glitchtale #4) | 35,877 | |
| 44. | Camila Cuevas | LOVE - Glitchtale S2 Ep #4 (Part 1) (Undertale Animation) | 35,666 | |
| 45. | UNDERTALE and DELTARUNE Official | UNDERTALE 5th Anniversary Concert | 35,450 | |
| 46. | Fleur Marigold | Who is The True Villain of Undertale? | 34,661 | |
| 47. | jacksepticeye | SPOOKY SCARY SKELE-BROS | Undertale #2 | 34,283 | |
| 48. | Solar Sands | Undertale in a Nutshell | 33,617 | |
| 49. |  PewDiePie | UNDERTALE - Part 1 (Full Series) | 33,441 | |
| 50. | ДАМБО MUSIC | ERROR SANS VS БИЛЛ ШИФР | СУПЕР РЭП БИТВА | Bill Cipher Gravity Falls ПРОТИВ Эррор Санс Undertale | 32,468 | |
| 51. | lightsen | UNDERTALE Animated Short | Funny Bones ! | 32,097 | |
| 52. | TerminalMontage | Something About Undertale - Alternate Pacifist Route (Loud Sound Warning) 💀🍝 | 31,765 | |
| 53. | EpreTroll | Synthesia: Undertale - Megalovania | 82,000+ Notes | Black MIDI | 31,563 | |
| 54. | Elu Tran [Archived] | Undertale OST - Bergentrückung (Intro) + ASGORE Extended | 31,402 | |
| 55. | Starbot Dubs | The Thought Movie (Undertale Comic Dub) | 31,396 | |
| 56. | Xandu / XanduIsBored | 【Undertale】Stronger Than You -Genocide Remix- (Sans version) | 31,298 | |
| 57. | Super Eyepatch Wolf | What The Internet did To Undertale | 30,987 | |
| 58. | LaurenZside | The Sims 4 - Undertale Theme - Ep. 1 (Create A Sim) | 30,487 | |
| 59. | xSadShadowx | Undertale has my heart 🥺 #undertale #deltarune #smallstreamer | 30,165 | |
| 60. | jacksepticeye | UNDYNE THE BADASS!! | Undertale #5 | 29,404 | |
| 61. | Quackity | UNDERTALE SUCKS!!!!! | 29,299 | |
| 62. | Axo_Lotl21 | Undertale all boss themes (and others) | 29,113 | |
| 63. | Nyaflix | Undertale - SAVE Chara | 29,102 | |
| 64. | nickel | Undertale - 5 Weird Facts | 28,706 | |
| 65. | Starbot Dubs | Handplates The Movie (Undertale Comic Dub) (Season 1 FULL) | 28,597 | |
| 66. | IRON HORSE CINEMA | UNDERTALE: The Movie (Live Action Trailer) Iron Horse Cinema | 28,493 | Preview |
| 67. | Oasty | Underbase: Fallen Down | 28,129 | |
| 68. | PotatoBottle | Undertale - All Boss Themes | 28,073 | |
| 69. | TryHardNinja | UNDERTALE SANS SONG "Judgement" by TryHardNinja | 28,008 | |
| 70. |  eddochan | STRONGER THAN YOU - Frisk Response Español - UNDERTALE ANIMACION | 27,823 | |
| 71. | TwoAllNighters | Don't Have To Hide - Undertale Comic Dub Movie (FULL) | 27,803 | |
| 72. | jacksepticeye | DATE WITH A SKELETON | Undertale #3 | 27,254 | |
| 73. | jacksepticeye | HOI, I'M TEM! | Undertale #4 | 27,121 | |
| 74. | DanTDM | DANDERTALE #6 - TRUE PACIFIST ENDING!!! | 26,856 | |
| 75. | SayMaxWell | SayMaxWell - Undertale - Mashup Remix | 26,641 | |
| 76. |  Animated Zorox | SANS VS JEVIL [UNDERTALE VS DELTARUNE ANIMATION] | 26,442 | |
| 77. | Merg | Undertale Gaster Secrets | 26,247 | |
| 78. | The Living Tombstone | Undertale Song - Bonetrousle Remix - The Living Tombstone | 26,032 | |
| 79. | DanAndPhilGAMES | THE TRUE PACIFISTS - Dan and Phil play: Undertale #10 (THE END) | 25,856 | |
| 80. | jayceepenny | The Sans Song | 25,508 | |
| 81. | Camila Cuevas | Yet Darker - Undertale Animation (Glitchtale #2) | 25,237 | |
| 82. | Camila Cuevas | Sans vs Flowey (Fullbody animation) - Undertale | 25,104 | |
| 83. | jacksepticeye | LITTLE MISS MUFFET | Undertale #7 | 25,043 | |
| 84. | jacksepticeye | IT'S A POSE OFF! | Undertale #8 | 24,606 | |
| 85. |  Rayani Lima | Stronger Than You - Trio (Sans/Chara/Frisk) | 24,498 | |
| 86. |  SMG4 | Mariotale - If Mario was in...Undertale. | 24,447 | |
| 87. | SharaX Official | [Undertale Remix] SharaX - Dark Darker Yet Darker | 24,021 | |
| 88. | Piano Music Bros. | Megalovania - Undertale [Piano Tutorial] (Synthesia) | 23,986 | Tutorial |
| 89. | AnimationRewind | SANS vs BILL CIPHER! Cartoon Fight Club Episode 36 | 23,871 | Show |
| 90. | Camila Cuevas | Megalomaniac - Undertale Animation (Glitchtale #1) | Song by Aria Rose | 23,800 | |
| 91. | SwankyBox | Undertale - Is Sans a Human? | 23,564 | |
| 92. | jacksepticeye | HOWDY! I'M FLOWEY | Facerig #3 | 23,538 | |
| 93. | A&K Arts | undertale try not to cry ;-; | 23,475 | |
| 94. | Marcus Veltri | Piano Duet AMAZES Omegle with Undertale Music!! | 22,846 | |
| 95. | AnimationRewind | FREDDY FAZBEAR vs SANS! Cartoon Fight Club Episode 63 | 22,722 | Show |
| 96. | jacksepticeye | IT'S GETTING HOT IN HERE | Undertale #6 | 22,522 | |
| 97. | Dreemurr Reborn | Undertale Fan Boss Fight: Chara | 22,294 | |
| 98. |  josse13579 | Undertale - Funniest Names 2 | 22,120 | |
| 99. | Charriii5 | Everything Wrong With UNDERTALE in 49 Minutes | 22,101 | |
| 100. | Flamingo | UNDERTALE BUT I'M VERY ANGRY AND CRYING THE WHOLE TIME | 22,098 | |
