This Forum post is where you can post what you have found out from watching the show that you may think some others don't know about (yea this sounds like crud.. and you guys probably know some of these things..)
Julien's Habitat use to be Alex's habitat
Marlene's use to be Gloria's habitat.
In some episodes, they switch the Television around the room.
The door they have in there HQ always changes, used to be the mud room, then became a bathroom, now it's Kowalski's lab.
lol thats all i have which you guys probably knew XD