anyone else started to study Sheldon's t- shirts? During the superman episode he wore a superman t shirt and in the pilot he wore a flash t-shirt........also ever notice the caution tape and out of order sign on many of the doors? Probably to analytical but I'm looking for meaning here too.......
yeah, the caution tape is because the elevator is out of order...they refer to it in one of the episodes. It also serves as an on-going gag, something that is continuous in every episode and lets face it, a working elevator would ruin those halarious conversations in the hallway. And the moving episode wouldn't be nearly as enjoyable to watch!
The reason for the cation tape is to differentiate between the floors. Floors 2, 3 & 4 are all the same set. As they are filming the crew just changes things around real quick before they get to that floor