The Feminum Mystique: Part 2 - S1-E6
Continuity mistake: When Wonder Woman is spinning the XPJ-1 around, she's seen approaching the jet with her hands empty and her lasso on her side where it usually is. As the scene progresses, her golden lasso magically appears in her right hand even though she never reached down to pick it up.
Brain Wash - S3-E8
Continuity mistake: As hairdresser Bob is washing Jamie's hair in the sink, the shampoo coverage changes between shots. During the closeups, he never touches her forehead and ears but in the wide shots, her head is completely doused.