Brained Scheme" because he felt that the plot involving hair  tonic was implausible. When he began arguing with the producers over  the script, studio security wanted to remove him from the set.  However, Sherwood Schwartz (qv) would not allow it because he felt  that it would be too distressing for the kids. Reed remained on the  set to watch the filming of the episode, which would ultimately  become the final episode of the series.