Continuity mistake: When Wonder Woman jumps from the rooftop down to the floor, the wall swaps between being lit by the sun and being in the shadows. (00:06:40)
Revealing mistake: Wonder Woman lifts the rear of the toy maker's van. During the pan from the rear wheel to Wonder Woman you can see the jack holding the van up.
Revealing mistake: When the toy aeroplane, which is supposed to be remote-controlled, attacks Wonder Woman, in a closeup shot you can see the wires which are actually controlling it.
Revealing mistake: When the scientist melts and collapses on the table, the wires controlling the dummy are visible.
Continuity mistake: Wonder Woman throws her boomerang tiara, which falls down half a metre ahead. The shot changes and it's now flying up in the air for over 10 metres.
Continuity mistake: When Wonder Woman spins around and transforms herself, the sunlight swaps from dark to bright.
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."