Undertale Gaster Secrets
17:41
Undertale Gaster Secrets
6.8M viewsJun 8, 2016
YouTubeMerg
Gaster's Theme (OST Version) - Undertale
1:37
Gaster's Theme (OST Version) - Undertale
221.9K viewsSep 16, 2016
YouTubeSiIvaGunner
Gaster... Undertale Fangame
24:52
Gaster... Undertale Fangame
658.7K viewsNov 19, 2016
YouTubeMerg
W. D. GASTER | Undertale Fangame
27:16
W. D. GASTER | Undertale Fangame
1.4M viewsJul 30, 2018
YouTubeMerg
Undertale - Gaster's Theme
0:35
Undertale - Gaster's Theme
710.7K viewsSep 20, 2015
YouTubefishfriend
Undertale OST - Gaster's Theme?
3:48
Undertale OST - Gaster's Theme?
771.9K viewsNov 21, 2015
YouTube★Mιγα.
Dr. Gaster (Undertale Song) - [SEIZURE WARNING] - Shadrow
4:18
Dr. Gaster (Undertale Song) - [SEIZURE WARNING] - Shadrow
6.3M viewsDec 18, 2015
YouTubeShadrow
0:04
[Undertale] Gaster Blaster Sound Effect
989.7K viewsDec 22, 2015
YouTubeDarkPrime25
32:53
GASTER RETURNS! "Don't Forget" [Undertale Fan-Made Sequel] Gameplay
5.9M viewsJul 7, 2016
YouTubeYuB
4:05
Undertale - Gaster's Theme Remix [Kamex]
2.1M viewsMay 27, 2016
YouTubeKamex
10:27
Undertale DDD (S1 EP3.5) Genocide Gaster Fight ~ Distortion Event #1
2.7M viewsJun 22, 2017
YouTubeTheking35
11:42
The TRUTH to Gaster finally revealed! - Undertale & Deltarune
40.9K viewsMar 13, 2021
YouTubeCiblesGD
2:38
Undertale - Gaster's Theme [Electro Swing Remix]
1.4M viewsAug 3, 2016
YouTubeThe Musical Ghost
4:31
Undertale - How to find Gaster
293.1K viewsJan 2, 2016
YouTubeQuintifier
2:24
Undertale 3D | Gaster Translated! (+Wingding Translating Kit!)
191K viewsApr 23, 2016
YouTubeJohn Hisic
3:11
Undertale - Sans VS W.D. Gaster
915.5K viewsJun 19, 2017
YouTubeWhite Sint
2:52
KillyKid - Gaster Theme Remix (Official audio)
2.4M viewsNov 29, 2018
YouTubeKillyKid
3:12
[ANIMATION] ULTRA!TALE THE FINALE P.1
639.5K viewsJul 27, 2021
YouTubeAnimated Zorox
14:19
Undertale - Gaster & Deprived Gaster Fight (Fan-made)
14.8M viewsFeb 13, 2016
YouTubeA Huge Pancake
7:58
Yet Darker - Undertale Animation (Glitchtale #2)
27.6M viewsMar 19, 2016
YouTubeCamila Cuevas
17:31
Gaster isn't very IMPRESSED W/ Sans.
9.9M viewsJun 2, 2018
YouTubeHub Cinema
0:42
Undertale: Gaster's Secret Door(Tutorial in description)
46.3K viewsJul 10, 2016
YouTubesylvi
19:42
Gaster's True Power! Undertale Fangame
592K viewsNov 25, 2016
YouTubeMerg
0:43
17 Gaster Blaster Sound Variations in 42 Seconds
2.5M viewsJul 11, 2020
YouTubeVariations Everything
4:46
Undertale - Gaster's Theme 【Intense Symphonic Metal Cover】
2.5M viewsAug 27, 2017
YouTubeFalKKonE
3:24
All W.D. Gaster encounters in Undertale
2.1M viewsOct 24, 2015
YouTubeBadhamKnibbs
30:48
Dark, Darker, Yet Darker (Gaster theme remix) extended
7.4M viewsNov 16, 2015
YouTubeAthrizel
1:32
Undertale amv sans and gaster blasters
13.7M viewsJan 5, 2019
YouTubeLisa Sokolik
2:08
Undertale Tutorial: How to get to the Gaster Room
84.6K viewsDec 18, 2016
YouTubeshadestaa
0:53
Gaster's Theme slowed down and reversed
181K viewsMay 1, 2016
YouTubeSmushi Lad
See more