Wait wait wait. This is some grade A bullshit. Saved by the Bell was filmed at NBC Studios Burbank, That’s So Raven was filmed at Hollywood Center Studios, and iCarly was film at Nickelodeon on Sunset. There is no way they would have moved a 20 year old set to three separate filming locations that are owned by three separate companies.
Huffington post, mtv news and abc new all say otherwise
Granted, OP should have provided sources, it is still 100% true