The episode begin with three unknown Sprunkis who are unconscious and are in test tubes in a cave. Mr. Fun Computer is also in the cave sleeping until he wake up, startle, by a noise. The noise is reveal to be coming from someone trying to break down the door. The door burst open and an mysterious figure enter the cave and walk Mr. Fun Computer. Mr. Fun Computer is surprise by the figure's appearance, saying that he can't be here, and before he can ask the figure, the figure hit him with a whip, causing him to glitch out. The figure then use Mr. Fun Computer to awake the three Sprunkis

The Sprunkis ask who has awoken them to which the figure tell them that he is someone can get them out of their prison. The Sprunkis are confuse when they hear this until the figure tell them that Mr. Fun Computer isolate them from the world while the other Sprunkis are free in the world, shocking them. The figure continue to tell them how Mr. Fun Computer isolate them like "broken play things" but they are the opposites; they the "breakers" and ask them to help him destroy all the Sprunkis in the world and unlock their tubes. The figure then remove his cloak to reveal himself as Black and tell the Sprunkis known as Har, Mo, and Nee, the Forgotten Sprunkis, to break free and "fulfill their destiny". The Forgotten Sprunkis then use their powers to break free out of their test tubes. Tunner come into the cave, worried about Mr. Fun Computer, and see the The Forgotten Sprunkis. Har use her harp wings to shoot out glowing strings from them that slice Tunner, killing him as he fall into pieces which delight Black. Mr. Fun Computer, who is still glitching out, attempt to stop Black and the Forgotten Sprunkis from leaving by initiating a lock-down but Mo use his music from his headphones and shoot out the music to break out of the cave while Black grab a control unit, put it on his head, and hide it under his hat

Gray, Wenda, and {{user}} are relaxing somewhere when they hear Mo's music from afar, startling You 3