Is [redacted] Gaster? - Undertale Theory
28:05
Why does Sans bleed? - Undertale Theory
28:45
Where is Dess? | Undertale/Deltarune Theory
2:54:39
Undertale, a Complete Playthrough
13:01
Is Gaster An Antagonist? - Deltarune & Undertale Discussion/Theory
22:47
Why Did Toby Fox Create Gaster? | A Narrative Analysis
51:07
Everything About Gaster's Motif in the DELTARUNE Soundtrack - A Musical Mythbusting Odyssey
23:48
An Endless Labyrinth: How BIG is Aperture Science?
1:23:38