DUSTIN DIAMOND is NOT a part of the "Saved By the Bell" revival, and in an interview he admits he's bummed about that, and says that "Saved By the Bell" isn't "Saved By the Bell" without Screech.

He points out that Screech was in more episodes than any other character, and he thinks that if you're going to reboot it, you should "bring back all the staples."

Obviously, Dustin's life and relationships with the other cast members have been turbulent over the years, which is probably why he wasn't invited back.  But from how he's talking in the interview, he seems to be doing better. 

Dustin Diamond isn't the only original Saved By The Bell cast member being left out. We recently reported Lisa Turtle was "hurt" that she wasn't included in the revival, saying she believes her bipolar diagnosis is to blame.