The Murderous Missile - S2-E22
Continuity mistake: When George falls off his motorcycle, his pants are wet and covered in mud. When Wonder Woman catches him, they're dry and clean.
The Feminum Mystique: Part 2 - S1-E6
Visible crew/equipment: After the Nazis are defeated on Paradise Island, Queen Hippolyta tells her daughters that she has plans for those Nazis, and at the start of the next shot the set equipment's c-stand is visible at the left side of the screen (widescreen version).
More trivia for Wonder Woman
Question: Does she go back to Paradise Island after WW2 in Season 1?
Answer: Yes, on the first episode of season 2, she is shown on the island, when another plane crash lands, she says, "They sound different from WW II". Later in the same episode a woman gathers background information on Wonder Woman. The woman says, "From 1942 to 1945, she helped the Allies win the war."