TV characters that vanished due to behind-the-scenes conflicts

For nearly two decades, David was a friendly face on Sesame Street (1969), running Mr. Hooper’s store. When he left in 1989, the reason given was a simple move. The real story was tragic. Actor Northern Calloway struggled with bipolar disorder, which led to an on-set fight and his removal from the show. He was admitted to a hospital, where he passed away in 1990 from what was then called excited delirium syndrome. It’s a sad postscript for a character who brought so much joy to so many kids watching at home.