Audio problem: Harlin Rule, the bad guy in this episode is a singer. When he sings his lips frequently don't match the words being sung.
Audio problem: When Harlin Rule is playing the flute by the pool, he stops playing it, but the music continues even after the flute is away from his lips.
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."