The Man Who Wouldn't Tell - S2-E20
Revealing mistake: When Wonder Woman breaks the door handle in the car, the close-up shot of the second handle she breaks is the previous close-up shot but reversed: she is using her right hand, which swaps to the left hand in the close-up, plus her arm position doesn't match her body's.
The Man Who Wouldn't Tell - S2-E20
Revealing mistake: When the lab is about to explode and the room shakes wildly, none of the stuff moves, revealing the camera trick.
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."