1:38 UTPR OST : Gaster p-1 : Darkest Hour 3:58 Darkest Hour || An Undertale Remix: Gaster's Theme 1:25 Animated [Undertale Remix] SharaX - Dark Darker Yet Darker 0:38 What Happens If You Call Papyrus In Gaster's Room? 10:27 Undertale DDD (S1 EP3.5) Genocide Gaster Fight ~ Distortion Event #1 8:54 Undertale - Alphys Neo Fight - True Ending 1:08 Undertale Genocide Run in a nutshell. 0:53 Undertale How far could Undyne chase you? 1:37 what happens if you let Undyne hit you (Easter Egg)| Undertale 3:49 Undertale - Ultra-Sans Fight (Fan-made) 11:50 Санс, Гастер и Папайрус против Бетти Нуар | ГлитчТейл Сцены боёв (3/3) 0:35 Ralseis First Sleepover - Deltarune 2:57 Ralsei Gets Scared if You Go to the Hidden Minigame With Him – Deltarune Chapter 3 0:59 Can You PAY Sans in Grillby's with Enough Gold? [ Undertale ] 0:16 Gaster's Theme HIDDEN Secret 3:21 [Undertale] ENTRY NUMBER SEVENTEEN (W. D. Gaster battle theme) 0:29 Why Gaster is so Strong 4:30 Entry Number 17 - Dark Darker Yet Darker 1:05 What if a Monster Has Gaster's Stats? [ Undertale ] 3:23 UNDERTALE - Gaster's theme [ 8th Anniversary ] 2:06 UNDERPANTS - 17 0:33 Is this Gaster? #undertale 3:48 Undertale OST - Gaster's Theme? 0:49 What does Gaster REALLY look like? 0:05 Wd gaster voice-Sound effect (Undertale) 0:47 Shayy Gets Gaster Hallway While Complaining About Deltarune (Shayy Stream Highlight) - Undertale 3:24 All W.D. Gaster encounters in Undertale