Kel Mitchell is revealing how his depression started after a run-in with Nickelodeon executive producer Dan Schneider, who has been the headlines lately due to the explosive documentary, Quiet on the Set: The Dark Side of Kids TV . Atlanta Black Star reports that Mitchell talked about this dark chapter of his life on the May 15 episode of Club Shay Shay , hosted by Shannon Sharpe. The All That and Kenan and Kel star said that his depressive thinking began with the treatment he received from Schneider while at Nickelodeon. He said that Schneider’s treatment was so terrible that he began having suicidal ideation. Mitchell said that Schneider’s attitude toward him changed into something unhealthy when Mitchell disagreed with the direction certain content was headed in. Instead of listening to Mitchell, Schneider then singled him out and bullied him. “I remember there was a point [with] one of the execs and one of the head writers. [The] show started to change a little bit. You know,...