The Big Sister
- Episode aired Mar 10, 1996
- TV-Y
When boy genius, Dexter makes experimental cookies, his sister, Dee Dee eats one and turns into a giant.When boy genius, Dexter makes experimental cookies, his sister, Dee Dee eats one and turns into a giant.When boy genius, Dexter makes experimental cookies, his sister, Dee Dee eats one and turns into a giant.