Due to a lack of stunt women at the time, Lynda Carter's stunt double during the first season was a man. In season two she did have a stunt woman, Jeannie Epper, but during the helicopter stunt it was going to obviously not be Carter. So Carter performed the helicopter stunt herself without safety-wrist hookups hanging 50 feet in the air solely by her grip. Carter was excited by doing it, but the studio was furious for the obvious reason that if Carter was hurt or worse, then the show would be done.
This is both the last episode and only episode in the then present-day setting of Wonder Woman where she is fighting the Nazis. In this episode, although not referred to as such, she is also battling Neo-Nazis.