![UNDERTALE - Gaster's theme [ 8th Anniversary ]](https://i.ytimg.com/vi/qJN-xbihRWo/mqdefault.jpg?sqp=-oaymwEmCMACELQB8quKqQMa8AEB-AH-CYAC0AWKAgwIABABGGcgZyhnMA8=&rs=AOn4CLC8Y3xcxYqfmgrScVclFCnyJt4Aww)
03:23
UNDERTALE - Gaster's theme [ 8th Anniversary ]
Gaster Theme Mp3 & Mp4
03:23
15:43
Undertale OST...? - Gaster's Theme Extended
01:48
What If Gaster's Theme Was a Full Song?
30:48
Dark, Darker, Yet Darker (Gaster theme remix) extended
![Glitchtale OST - Vantablack [Gaster's Theme]](https://i.ytimg.com/vi/dHG3OcwzRGo/mqdefault.jpg?sqp=-oaymwEmCMACELQB8quKqQMa8AEB-AH-CYAC0AWKAgwIABABGGUgZShlMA8=&rs=AOn4CLB0RzM6z0zLkZ_yhCCCh90WUrOo2g)
05:05
Glitchtale OST - Vantablack [Gaster's Theme]
![[Undertale] Gaster's Finale (amella Remix) - Animation [W/O INTRO]](https://i.ytimg.com/vi/KGfJYHZCNyU/mqdefault.jpg)
07:58
[Undertale] Gaster's Finale (amella Remix) - Animation [W/O INTRO]
![[Undertale] Gaster's Theme Remix - W. D. Gaster's Megalovania (amella Remix)](https://i.ytimg.com/vi/FPSgfQGSyUA/mqdefault.jpg)
03:43
[Undertale] Gaster's Theme Remix - W. D. Gaster's Megalovania (amella Remix)
01:11
Undertale Last Breath OST Phase: 2.5
![Animated [Undertale Remix] SharaX - Dark Darker Yet Darker](https://i.ytimg.com/vi/MBKdem6uEEs/mqdefault.jpg)
01:25
Animated [Undertale Remix] SharaX - Dark Darker Yet Darker
00:38
What Happens If You Call Papyrus In Gaster's Room?