To Be Continued is the 15th track in the Undertale Yellow Soundtrack. It plays in the ending credits of the demo. This song was also used in the Demo Launch Trailer for the game.

The song is a culmination of leitmotifs from Once Upon a Truthful Time, Forlorn and Ruins.

Undertale Yellow Soundtrack
1-10 Once Upon a Truthful Time • Main Menu 01 • Enemy Approaching Yellow • Fallen Down Yellow
Ruins Yellow • Howdy! • In Darkness • Main Menu 02 • Justice • Fever Pitch! • Enemy Retreating • Seclusion • Forlorn • House Guest
10-16 Enemy Retreating • Seclusion • Forlorn • House Guest • To Be Continued • Fun-Sized
Bonus Boppin'