Dexter accidentally takes a library book without checking it out, so he and Dee Dee try to put it back without being caught.

When an electricist comes to repair the house, Dexter discovers that if he repairs the lab it will function perfectly.

Dexter and Dee Dee compete in various games chosen by Dexter.

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.