Is Undertale Sans from Deltarune's World? | Deltarune Theory Discussion

Is Sans from Undertale the same Sans as in Deltarune? This Deltarune theory has been floating around since 2018, and today I discuss its evidence, its holes, and why it's a neat idea, even if it doesn't come to pass. You can check out my other Deltarune and Undertale theory content here:    • Learning to Love Berdly - A Deltarune  Cha...   I also post other analytical content, right here:    • The Truth About Papyrus - A Character Anal...   0:00 - Intro 1:00 - Darkner? Post-Pacifist? 2:41 - Deltarune and Undertale Connections 6:58 - Flaws in the Theory 9:25 - MOTHER 3 SPOILERS: Implications on Deltarune's Ending 10:20 - Riverperson Other Observations 11:45 - Inverted Fate plug and Patreon Shoutouts Check out HalfBreadChaos' videos that touch on Sans and Papyrus in Deltarune:    • What is in The Closet Dark World      • What The Four Shadows Foreshadow   New Inverted Fate premieres soon:    • Inverted Fate: Victory Lap | Undertale AU ...   Previous IF video:    • Inverted Fate: Skeletons in the Closet | U...   Read the full story at: https://invertedfate.com/chapters Support me on Patreon:   / dorked   My Ko-Fi: https://ko-fi.com/invertedfate #Undertale #Deltarune #UndertaleSans #DeltaruneSans #SansDeltarune #SansUndertale #UndertaleTheory #DeltaruneTheory