Hunger Strikes "Hunger Strikes" Premiere Order
"The Koos is Loose"
"Morning Stretch" Morning Stretch
Hunger Strikes "Hunger Strikes" Production Order
"The Koos is Loose"
"Morning Stretch" Morning Stretch
The Koos is Loose
Season 2, Episode 4b
Episode name reference to/pun on: The infamous phrase "The Juice is Loose"
The Koos is Loose.png
Air date August 6, 1997
Production number 204b
Written by Zeke Kamm
Directed by Robert Alvarez

The Koos is Loose is the second part of the 4th episode in Season Two of Dexter's Laboratory. It aired on August 6, 1997. In this episode, Dee Dee leaves Koosy in Dexter's care as she's at ballet class. However, Koosy's antics soon start to annoy Dexter and he sends him away.


Dexter is working in his laboratory when the door opens up behind him and a bright light making a laughing noise comes out and goes up behind him. He turns around to see what it is and the light knocks him out cold. Dexter wakes up to see Dee Dee standing there and he immediately starts accusing her of being the one who knocked him out. Dee Dee states that she did not do so and that it was really her imaginary friend, Koosalagoopagoop. Dexter does not believe in her and tells her that he is imaginary and does not exist . Dee Dee argues back and says that he is a real living animal and that she is the only one who can see him because she is the only one who truly believes in him. Dexter goes through his computer and looks up Koosalagoopagoop to prove to her that it does not exist and just as he expected, he does not. Dee Dee asks why he doesn't believe in him and he says that it is because he cannot see him. Dee Dee argues back that he can't see air either but he knows that, that exists. Dee Dee had officially convinced Dexter that he exists and all of a sudden, Koosalagoopagoop magically appeared in front of him and started laughing. Dexter, shocked to see this, stands and stared in awe for a while, and then he pulls on his tail. Koosalagoopagoop picks him up off of the ground and Dexter asks about him. Koosalagoopagoop introduces himself and tells about himself. He says that he comes from Dee Dee's imagination and that he can also be addressed as "Koosy" for short. Dexter then tells him to get out of his laboratory but Dee Dee tells him that he can't because he is too big to fit through the door, then before Dexter can respond, Dee Dee realizes that she is really late for her dance class and she runs off leaving Koosy there with Dexter. Koosy just sits there looking at Dexter and Dexter stands there angrily looking back at him for a while until Koosy suddenly breaks out mentioning that if you turn your lips inside out, that you would look like Jimmy Carter.


Major Roles

Minor Roles


Cultural References

  • Koosy mentions Jimmy Carter while showing Dexter his inside-out lips. Carter was the 39th president of the United States, serving from 1977 to 1981.

Production Notes

  • Although this episode along with "Hunger Strikes" and "Morning Stretch" are aired on August 6, 1997, they were produced in the same year according to the credits.
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