The episode is sometimes analyzed in academic papers, such as the Sidney Sheldon Papers at the University of Wisconsin, which contains the original scripts, censor reports, and production notes that detail the creative process behind this era of sitcoms.
Tired of Jeannie's constant magical interference, Tony orders her to stop using magic to help him. Ironically, he is immediately kidnapped by Red Chinese spies and Jeannie is forced to watch helplessly, unable to intervene due to her promise. [S1E21] Jeannie and the Kidnap Caper
In the I Dream of Jeannie episode (Season 1, Episode 21), Tony Nelson is captured by spies after he makes Jeannie promise to stop using her magic for him. The episode is sometimes analyzed in academic papers,
I Dream of Jeannie (TV Series 1965–1970) - Episode list - IMDb which contains the original scripts