On Dick Cavett Show Rod Serling discusses his lack of creative control on Night Gallery (1972)

In a fascinating 1972 Dick Cavett Show interview, Rod Serling dispels the media perception of him as being depressed ("I'm not depressed. I don't have that massive an ego that I run around pre-occupied with myself.") and says he has no control over Night Gallery:

Cavett: Are you at odds at the network over Night Gallery?