Dexte'rs father begins to sleepwalk, and accidently stumbles into Dexter's Lab

Dexter creates an ink in which lets him command them to do whatever he wants them to do. Although when Mandark gets a hold of it, Dexter is the one being the slave.

Dad gets fired from his job, and has to do the same job Mom does. He realises it isnt as easy as it looks.