Dexter and Dee Dee test the former's latest invention: a device that turns people into animals, which yields crazy results.
2
"The Big Sister"
Genndy Tartakovsky
March 10, 1996 (1996-03-10)
When Dee Dee eats an experimental cookie of Dexter's design, she grows into a giant and makes the city her dollhouse. As she destroys the whole city, Dexter must pilot his giant Robo-Dexo 2000 mecha and return her to normal size.
After Dexter is banned from watching The Late Early Movie due to his age, he decides to accelerate his age, but Dee Dee tampers with the age acceleration process, causing him to turn into an old man.
4
"Dimwit Dexter"
Genndy Tartakovsky
C. Miles Thompson
April 14, 1996 (1996-04-14)
Dexter cracks due to overworking himself and starts acting idiotic, which makes him the butt of jokes among Dee Dee and the entire neighborhood.
Dexter falls victim to one of his own inventions and sends Dee Dee back in time to warn his past self about the consequences, but the past Dexter proves hard to convince.