It changes a few ways in each episode. Sometime he removes a book that open the book shelf (entrance) to his lab. Sometimes he has a separate remote control and pushes a button to open the bookshelf or he just simply walks to his book shelf and it automatically opens (probably by motion sensors).
Dexter's Laboratory - 1996 Dexter's Lab Too Cool for the --- was released on: USA: 5 October 1998
Bedroom
In Dexter's lab
In the episode called The Big Cheese dexter says star wars to get into his laboratory.
Jimmy Neutron Dexter's Laboratory
No. The animated series 'Dexter's Laboratory' is about an extreme smart kid who hides a secret lab in his room.
Dee Dee is Dexter's sister in Dexter's Laboratory, not his imaginary friend. Dexter's imaginary friend in an episode was Koosalagoopagoop.
The cartoon series called "Dexter's Lab" first aired on television in the year 1999. The cartoon series ended in the year 2003 after four complete seasons.
in genius grove by the robot on the black metal thing.
Dexter is short with orange hair and a white lab coat. Also shown to wear purple gloves and has pens in a pocket of his lab coat. I also forgot one thing; The glasses. I will tell you one weird fact about her sister; She has a tiny body and HUGE feet. Got that of of Youtube. :)
You can watch videos of the Dexter's Laboratory cartoon on Amazon for $2 an episode. You can also stream this Cartoon from Netflix if you are a member.
episode 55 - A Failed Lab Experiment