The Girl from Ilandia - S2-E21
Revealing mistake: After Wonder Woman escapes from the glass tube, she's suddenly replaced by an obvious stunt double who bears little resemblance to her.
The Girl from Ilandia - S2-E21
Revealing mistake: When Wonder Woman tosses balls at Tina for her to stop them mentally, the edge of the protective glass in front of the girl is visible, plus there is a yellowish reflection that wobbles every time the ball hits the glass.
The Girl from Ilandia - S2-E21
Revealing mistake: When Tina and Wonder Woman rate each other's jumps, in the close-ups the background is an obvious blue backdrop that doesn't match the exterior gardens they are at.
The Girl from Ilandia - S2-E21
Revealing mistake: When Tina jumps out of the window, she is a young girl. When she runs away (and all further jumps and stunts in this episode), she is replaced by an adult, taller stunt.






Answer: The transformation twirling was invented for the 1970s TV series only, to explain her quick change from Diana Prince to Wonder Woman. However, it would have been nice to do a little spin homage in the movie.