| 1. | Undyne Dances To Death By Glamour For One Hour | 1:00:01 | | Undertale
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| 2. | Confronting The Mysterious Figure! Undertale Yellow Gameplay #2 (Finale) | UNDERLAB | 20:29 | | Undertale
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| 3. | UNDERTALE's Prequel! Undertale Yellow Gameplay #1 | UNDERLAB | 15:57 | | Undertale
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| 4. | Who Is The Most Evil Character In UNDERTALE? Undertale Theory | UNDERLAB | 15:27 | | Undertale
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| 5. | Undertale's Entire Cut OST | All Songs Cut From Undertale's OST | 15:24 | | Undertale
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| 6. | The Hidden Message of UNDERTALE's True Pacifist Route | Undertale Theory | UNDERLAB | 14:22 | | Undertale
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| 7. | Gaster's Final Secret Revealed | Undertale Theory | UNDERLAB | 14:11 | | Undertale
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| 8. | Who Is The Most Mysterious Character In UNDERTALE? Undertale Theory | UNDERLAB | 13:44 | | Undertale
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| 9. | TERRARIA Meets UNDERTALE?! Terraria Hardcore (Permadeath) Expert #1 | 13:37 | | Undertale
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| 10. | The 5 Biggest Unexplained MYSTERIES in Undertale | UNDERLAB | 13:29 | | Undertale
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| 11. | What Was Cut From Undertale And WHY? Undertale Theory | UNDERLAB | 13:13 | | Undertale
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| 12. | Everything You Didn't Already Know About SANS | Undertale Theory | UNDERLAB | 13:02 | | Undertale
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| 13. | Who Really Hired Muffet To Kill Us? Undertale Theory | UNDERLAB | 12:34 | | Undertale
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| 14. | Who Is The Real Villain Of UNDERTALE? Undertale Theory | UNDERLAB | 12:30 | | Undertale
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| 15. | Everything You Didn't Already Know About DR. ALPHYS | Undertale Theory | UNDERLAB | 12:27 | | Undertale
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| 16. | Why Is The Guide TRYING TO KILL ME?! Terraria Hardcore (Permadeath) Expert #2 | 12:16 | | Undertale
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| 17. | Everything There is to Know About Sans From Undertale | UNDERLAB | 12:06 | | Undertale
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| 18. | Why Undertale's Genocide Path is JUSTIFIABLE | Undertale Theory | UNDERLAB | 11:48 | | Undertale
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| 19. | Toriel and the Ruins EXPLAINED - UNDERTALE SECRETS, LORE and MORE! UNDERLAB #1 | 11:39 | | Undertale
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| 20. | What Was The Waterfall Shrine Really Built For? Undertale Theory | UNDERLAB | 11:38 | | Undertale
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| 21. | What's UNDERTALE Food Like In Real Life? Undertale Theory | UNDERLAB | 11:29 | | Undertale
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| 22. | Toriel's Dark, Disturbing Past! Undertale Theory | UNDERLAB | 11:29 | | Undertale
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| 23. | What Really Happened To The Six Humans? Undertale Theory | UNDERLAB | 11:28 | | Undertale
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| 24. | Who Is The Strongest Character In UNDERTALE? Undertale Theory | UNDERLAB | 11:16 | | Undertale
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| 25. | 10 Secret UNDERTALE Characters You Never Knew Existed! Undertale Theory | UNDERLAB | 11:10 | | Undertale
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| 26. | The Secret of Determination Finally REVEALED! Undertale Theory | UNDERLAB | 11:09 | | Undertale
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| 27. | 10 Obscure UNDERTALE Facts You Never Knew! Undertale Theory | UNDERLAB | 11:08 | | Undertale
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| 28. | Papyrus and Snowdin Forest Explained - UNDERTALE Secrets, Lore and More! UNDERLAB #2 | 11:05 | | Undertale
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| 29. | The Top 5 Hardest Boss Battles in Undertale | UNDERLAB | 10:59 | | Undertale
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| 30. | The CORE's Greatest Secret | Undertale Theory | UNDERLAB | 10:58 | | Undertale
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| 31. | 10 Disturbing Facts About UNDERTALE You Never Knew! Undertale Theory | UNDERLAB | 10:56 | | Undertale
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| 32. | What Really Happened To Asriel At The End of UNDERTALE? Undertale Theory | UNDERLAB | 10:53 | | Undertale
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| 33. | How BIG Is The Underground? Undertale Theory | UNDERLAB | 10:50 | | Undertale
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| 34. | What Happened To Frisk At The End of The Pacifist Route? Undertale Theory | UNDERLAB | 10:50 | | Undertale
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| 35. | Is Sans Secretly The Weakest Character In UNDERTALE? Undertale Theory | UNDERLAB | 10:49 | | Undertale
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| 36. | What Can The Legendary Artifact Really Do? SOLVED! Undertale Theory | UNDERLAB | 10:45 | | Undertale
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| 37. | The Amalgamates' True Origins Revealed | Undertale Theory | UNDERLAB | 10:45 | | Undertale
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| 38. | Deltarune Is A PREQUEL! Deltarune Explained | Undertale 2 (Deltarune) Theory | UNDERLAB | 10:43 | | Undertale
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| 39. | Is Frisk A TIME TRAVELLER?! How And Why | Undertale Theory | UNDERLAB | 10:42 | | Undertale
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| 40. | Who Became ASGORE's Heir After Asriel Died? Undertale Theory | UNDERLAB | 10:39 | | Undertale
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| 41. | Why Are Human Souls So Powerful? Undertale Theory | UNDERLAB | 10:35 | | Undertale
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| 42. | What Was Mettaton Really Built For? Undertale Theory | UNDERLAB | 10:34 | | Undertale
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| 43. | How Is Undyne Able To Keep Fighting Past Death? Undertale Theory | UNDERLAB | 10:32 | | Undertale
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| 44. | Who Would Win? UNDYNE vs ASGORE | Undertale Theory | UNDERLAB | 10:31 | | Undertale
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| 45. | What Would Happen If Sans Absorbed The Six Human Souls? Undertale Theory | UNDERLAB | 10:29 | | Undertale
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| 46. | Is Papyrus Secretly Far More Powerful Than He Seems? Undertale Theory | UNDERLAB | 10:28 | | Undertale
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| 47. | What Was Gaster's Final Experiment? Undertale Theory | UNDERLAB | 10:28 | | Undertale
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| 48. | What Inspired UNDERTALE? Undertale Theory and Trivia | UNDERLAB | 10:27 | | Undertale
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| 49. | 10 Unbelievable UNDERTALE Theories That Change Everything! Undertale Theory | UNDERLAB | 10:26 | | Undertale
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| 50. | Undertale's Alternate Route: What If Frisk Never Existed? Undertale Theory | UNDERLAB | 10:26 | | Undertale
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| 51. | Is Undertale 2 In Development Right Now? Undertale Theory | UNDERLAB | 10:24 | | Undertale
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| 52. | The Alternate Ending to UNDERTALE's Genocide Path! Undertale Theory | UNDERLAB | 10:21 | | Undertale
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| 53. | What If Undertale Was REALLY Realistic? Undertale Theory | UNDERLAB | 10:21 | | Undertale
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| 54. | The UNDERTALE Soul Colors You Never Knew Existed! Underale Theory | UNDERLAB | 10:16 | | Undertale
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| 55. | The Real Reason Why Chara Wants Everyone DEAD! Undertale Theory | UNDERLAB | 10:16 | | Undertale
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| 56. | Is Frisk Secretly A Monster?! Undertale Theory | UNDERLAB | 10:16 | | Undertale
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| 57. | Weird Facts About UNDERTALE's Minibosses You Never Knew! Undertale Theory | UNDERLAB | 10:16 | | Undertale
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| 58. | Who Is The Worst Character In UNDERTALE? Undertale Theory | UNDERLAB | 10:15 | | Undertale
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| 59. | 10 Amazing UNDERTALE Secrets You Never Knew About! Undertale Theory | UNDERLAB | 10:14 | | Undertale
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| 60. | How To Kill The Amalgamates In UNDERTALE! Undertale Theory | UNDERLAB | 10:12 | | Undertale
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| 61. | Undertale's Monsters Aren't Really Monsters?! The Bizarre Truth! Undertale Theory | UNDERLAB | 10:11 | | Undertale
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| 62. | The Real Reason Why Papyrus Is So Popular! Undertale Theory | UNDERLAB | 10:11 | | Undertale
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| 63. | Sans' Secret Backstory! The Story You Never Knew | Undertale Theory | UNDERLAB | 10:11 | | Undertale
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| 64. | The Real Reason Why UNDERTALE Is Black And White! Undertale Theory | UNDERLAB | 10:11 | | Undertale
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| 65. | What Is Mettaton's Final Form? Undertale Theory | UNDERLAB | 10:09 | | Undertale
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| 66. | UNDERLAB Update! | 10:09 | Vlog | Undertale
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| 67. | Where Did Frisk Come From? The Human's Origin Story | Undertale Theory | UNDERLAB | 10:09 | | Undertale
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| 68. | The Secret Power You Never Knew Sans Had! Undertale Theory | UNDERLAB | 10:08 | | Undertale
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| 69. | Could Frisk Be Chara Reincarnated? Undertale Theory | UNDERLAB | 10:08 | | Undertale
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| 70. | The Secret of Ice Cap's Hat! Undertale Theory | UNDERLAB | 10:08 | | Undertale
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| 71. | The Truth Behind the Humans vs Monsters War! Undertale Theory | UNDERLAB | 10:08 | | Undertale
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| 72. | Is Undertale Set In The FUTURE? Undertale Theory | UNDERLAB | 10:08 | | Undertale
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| 73. | Is Flowey Really The Hero of UNDERTALE? Undertale Theory | UNDERLAB | 10:07 | | Undertale
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| 74. | UNDERTALE's Plot Holes - Why The Story Makes No Sense! Undertale Theory | UNDERLAB | 10:06 | | Undertale
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| 75. | Who Is The Most Tragic Character In UNDERTALE? Undertale Theory | UNDERLAB | 10:05 | | Undertale
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| 76. | The Insane Truth Behind Tem Village In UNDERTALE! Undertale Theory | UNDERLAB | 10:04 | | Undertale
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| 77. | What's Inside Deltarune's Secret Bunker? Deltarune (Undertale 2) Theory | UNDERLAB | 10:03 | | Undertale
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| 78. | The 5 Funniest Moments in UNDERTALE! UNDERLAB | 10:02 | | Undertale
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| 79. | UNDERLAB Update! Some Bad News... Sort Of | 10:01 | Vlog | Undertale
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| 80. | The Darkest Secret of the True Lab You Never Knew! Undertale Theory | UNDERLAB | 10:01 | | Undertale
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| 81. | The Craziest Facts About MEGALOVANIA (And More!) You Never Knew! Undertale Theory And Trivia | 9:48 | | Undertale
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| 82. | The Secrets Behind UNDERTALE's Music You Never Knew! Undertale Theory | UNDERLAB | 9:31 | | Undertale
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| 83. | Why Ralsei LIED To Us! Deltarune (Undertale 2) Theory | UNDERLAB | 9:20 | | Undertale
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| 84. | KING ASGORE: Undertale's Most Misunderstood Character? UNDERLAB | 9:11 | | Undertale
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| 85. | Can Asriel be Saved? Undertale Theory | UNDERLAB | 9:03 | | Undertale
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| 86. | Who or What is Chara? Are They Good or Evil? Undertale Theory | UNDERLAB | 9:02 | | Undertale
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| 87. | Do The Three Routes In Undertale Happen At The SAME TIME? Undertale Theory | UNDERLAB | 8:49 | | Undertale
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| 88. | Is Frisk An Emotionless PSYCHOPATH? Undertale Theory | UNDERLAB | 8:47 | | Undertale
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| 89. | Why Undyne is the True Heroine/Protagonist of Undertale | Undertale Theory | UNDERLAB | 8:45 | | Undertale
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| 90. | Extending UNDERTALE's Ending | Undertale Theory | UNDERLAB | 8:42 | | Undertale
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| 91. | The Secret Meanings of Words In UNDERTALE! Undertale Theory | UNDERLAB | 8:40 | | Undertale
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| 92. | The Top 5 Saddest Moments in Undertale | UNDERLAB | 8:39 | | Undertale
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| 93. | Rip Off UNDERTALE Merch! Disturbingly STRANGE! Toriel's Skinned Corpse?! #3 UNDERLAB | 8:38 | | Undertale
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| 94. | What If Asriel Dreemurr Never Died? Undertale Theory | UNDERLAB | 8:33 | | Undertale
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| 95. | UNDERTALE in Real Life | Undertale Theory | UNDERLAB | 8:32 | | Undertale
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| 96. | What's Inside The Waterfall Castle In UNDERTALE? Undertale Theory | UNDERLAB | 8:29 | | Undertale
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| 97. | The Truth and Controversy Behind UNDERTALE's "Fan Troll", So Sorry | UNDERLAB | 8:10 | | Undertale
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| 98. | Are Sans and Papyrus Really Brothers? Undertale Theory | UNDERLAB | 8:09 | | Undertale
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| 99. | The Real Reason Why Frisk Fell Underground | Undertale Theory | UNDERLAB | 8:09 | | Undertale
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| 100. | Why The Monsters in Undertale Are Secretly EVIL | Undertale Theory | UNDERLAB | 8:05 | | Undertale
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