- Gaster: "Fascinating. This timeline seems... strange."
Having witnessed Frisk and Sans's Fusion Dance move, W.D. Gaster seeks to undo his accidental Ret Gone-ing by stealing Frisk's soul.
The video with the original audio can be seen here. The video with the new audio can be seen (alongside the rest of Season 1) here.
Provides examples of:
- An Arm and a Leg: Well, a hand and a hand and a hand a hand and a hand and a hand and a hand and everything else.
- Bittersweet Ending: Despite Gaster being defeated successfully, Sans is left shook by the events and the timeline must be reset again, further causing the domino effect in early Season 1 leading up to the next episode.
- Came Back Wrong: Gaster.
- Chekhov's Gunman: Gaster becomes an important character later in the season, with his eventual resurrection and all.
- Fusion Dance: Sans and Frisk pull this off again.
- Glowing Eyes of Doom: Sure, Sans has one (two when fused with Frisk) blue eye, but Gaster has one red and one blue, as he's the (implied) father of Sans and Papyrus.
- Go Mad from the Isolation: It's clear being nonexistent did a number on Gaster's sanity.
- Impaled with Extreme Prejudice:
- Sans gets skewered by Gaster in the middle of the episode while trying to help Frisk.
- Sans himself also does this to stop Gaster.
- Oh, Crap!: Sans has one when he realizes that Frisk didn't teleport to Grillby's with him.
- Gaster gets one later when Sans destroys one of his hands post Fusion Dance.
- Theme Music Power-Up: "Megalovania", in the form of a rock cover, kicks in when Sans and Frisk do their Fusion Dance and gain the upper hand against Gaster.
- Woobie, Destroyer of Worlds: Gaster, who's trying to kill Frisk to get ahold of their determination and resurrect himself.
- Sans: "after this reset, take your time in the ruins. gotta do something quick."