Mind Stealers from Outer Space: Part 1 - S2-E10
Continuity mistake: The doctor's arms change positions, and holds a stethoscope that disappears and reappears as he speaks with Diana Prince.
Mind Stealers from Outer Space: Part 1 - S2-E10
Revealing mistake: Before the red truck goes over the cliff, skid marks from previous takes are on the road where the police car is.
Mind Stealers from Outer Space: Part 1 - S2-E10
Revealing mistake: When Skrill busts through the door, it has no hinges, revealing it's a prop to allow for the stunt.
Mind Stealers from Outer Space: Part 1 - S2-E10
Revealing mistake: When the couple in the woods is paralyzed by the aliens, they can't help but move all the time, and even the woman's arms change positions between shots.
Mind Stealers from Outer Space: Part 1 - S2-E10
Revealing mistake: When the truck rolls down the hill, it crashes against another truck, which happens to match the shiny red colour of the original truck that went over the hill (not the faded red truck that we saw falling). Seemingly, it belonged to a first take.
Mind Stealers from Outer Space: Part 1 - S2-E10
Visible crew/equipment: When the truck falls down the cliff, there's someone hiding behind bushes on the left, walking around next to metal equipment.
Mind Stealers from Outer Space: Part 1 - S2-E10
Continuity mistake: The aliens send a shiny red truck down a cliff. When it falls, it's now an old faded red-coloured truck.
Mind Stealers from Outer Space: Part 1 - S2-E10
Revealing mistake: When Wonder Woman fights against the twin women, they are replaced with two tall stunts with blatant wigs.
Mind Stealers from Outer Space: Part 1 - S2-E10
Revealing mistake: When Wonder Woman is in the woods and leaps upwards to the tree branch, one can tell it's not the real actress but a stunt double. This is also very noticeable during the junkyard chase, too.
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."