“It was absolutely chaos,” Cameron Glendenning, who worked on the hit MTV series for almost its entire four-season run, exclusively told The Post. “ [The family] gave zero warning. There was no, ‘Hey, director, heads up, I’m gonna go into the living room and do X, Y, Z.’ That s–t did not happen.”

Metal-rock star Ozzy Osbourne holds a replica of his new star on the Hollywood Walk of Fame as he poses with his family during a ceremony on April 12, 2002, in Los Angeles. Pictured with Osbourne, from left, are Aimee, Sharon, Kelly, Jack and Louis. (AP Photo/Nick Ut, File)

With the death of Ozzy Osbourne, former MTV boss Van Toffler remembers the success of "The Osbournes," and how it impacted both MTV and reality TV.