Visible crew/equipment: When Diana and Steve meet with Dr. Barnes at the hospital, they stop in the corridor to discuss the guard's condition, and when they resume walking the actors' T-mark and two tape marks are visible on the floor, where they had been standing.
Continuity mistake: When Wonder Woman chases after Benson her boots are flat and then the heels appear. It happens again later, while The Falcon tries to reach Professor Warren.
Other mistake: This takes place in 1942, but modern 1970s era cars can be seen behind Wonder Woman and Steve when the attendants are loading Benson into the ambulance. Then again later, when The Falcon's partner creates a diversion and is being shot at by the guard.
Other mistake: When Wonder Woman is chasing the sniper, her jumps are the same scenes of her escaping the girls’ dorm from S1E4, timecode 00:26:34. (00:16:14)
Revealing mistake: When the explosions go and the place starts to shake, neither the trees outside nor the objects in the lab move an inch, revealing the camera trick. Later on, the group walks towards a table and things do shake.
Continuity mistake: When Wonder Woman approaches the blackboard, it's filled with formulas. A shot later, half of them are already erased before she starts using the eraser.
Continuity mistake: When the sniper tries to kill the scientist, it's pitch-black night. When Wonder Woman jumps to catch him, it's daylight.
Continuity mistake: Wonder Woman jumps out of the hospital window face down but lands feet first, seemingly to allow for the stuntwoman to land on a mattress.
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."