Throughout the first season, secondary characters and extras sport hairstyles and sometimes clothing that looked more from the 1970s, when the series was filmed, than from the 1940s, in which the series was set.
IADC headquarters is supposed to be in Washington, D.C. However, the California state flag can be frequently seen flying in front of the headquarters building, giving away the fact that the show is filmed in California.
Whenever Wonder Woman jumps from the ground to a roof or ledge a stuntwoman jumps from the height to the ground and the film is reversed. This results in innumerable shots of Wonder Woman's hair blowing up in the same direction as the jump.