Banned from watching a late-night movie due to his young age, Dexter uses his technology to artificially grow into adulthood, but Dee Dee tampers with his machine, causing Dexter to turn into an old man.

Dexter and Mandark’s fathers become embroiled in a conflict after trying to defuse one between their sons.

After Dee Dee steals his critical invention, Dexter ventures into her room to find it.

After she expresses her desire to become a Pony Puff Princess, Dexter transforms Dee Dee into a horse with pink fur, and a yellow tail and mane.