Although the script for "Dangerous Rendezvous" allotted four minutes of the 25-minute running time for this old material, the flashback in the finished episode – in which Colonel White recalls humanity's disastrous first contact with the Mysterons – runs for about two minutes.
The original script for "Dangerous Rendezvous" assigned only four minutes out of its total 25-minute duration to this old material. In contrast, the flashback segment in the completed episode, which features Colonel White reminiscing about humanity's disastrous first meeting with the Mysterons, runs approximately two minutes.