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 Murderous Missile - S2-E22
Revealing mistake: The cables holding the missile are very, very obvious.
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."