Dexter creates a device to keep his clothes clean.

How did a young child called Susan became the being now known as Mandark? Born to free spirits, and with a passionate determination to harness the forces of science for his own ends, this is his story...

Mandark gets in Dexters computer raving havok, so Dexter must stop him.

Dexter uses his newest creation to turn Dee Dee into a boy, but the male version of Dee Dee (Doo Dee) is not as cool as Dexter it would.

Dexter and his family are kidnapped by aliens, Dexter leads his family in an escape attempt, but when Dexter is captured once more, Mom, Dad, and Dee-Dee attempt to save him.

Dexter and Dad watch a late night horror movie and spend a scary night in their house.

Dee-Dee has a new boyfriend who also likes science and Einstein, and soon the boy finds himself caught in a vicious tug of war...