Major Steve Trevor and Yeoman Diana Prince go to Buenos Aires to keep a formula to make rubber as strong as steel from the Nazis. The agents of the Master Race are waiting for them and it's up to Wonder Woman to save the day. Don't worry girls, the Major manages to survive with only slight ruffling of his hair.

Features Lynda Carter / Wonder Woman / Yeoman Diana Prince, Lyle Waggoner / Major Steve Trevor, Beatrice Colen / Private Etta Candy, John Ashton / Thug, Gary Cashdollar / Otto Dietrich, John Devlin / Major Keller, Maria Grimm / Lydia Moreno, Curt Lowens / S.S. General, Charles Macaulay / Ambassador McCauley, Peter MacLean / Schmidt, Marisa Pavan / Maria, Nehemiah Persoff / Prof Moreno, Armando Silvestre / Antonio Cruz.