The Boy Who Knew Her Secret: Part 2 - S3-E21
Continuity mistake: When the brown car speeds away, three bystanders walk towards the road, and one of them stares at the camera. (00:14:51)
The Boy Who Knew Her Secret: Part 1 - S3-E20
Continuity mistake: When Wonder Woman jumps to the balcony, there are a few plants, and the railing is visible. When she lands on the balcony, the place is packed with plants that hide the railing.
The Girl from Ilandia - S2-E21
Character mistake: Wonder Woman warns Tina not to be trapped by a falling net on top of her. The problem is, Tina has missed her mark and is two metres away from the net, so she has to run and stand below the net to allow for the action scene to develop properly, which is absurd.

The Girl from Ilandia - S2-E21
Continuity mistake: The huge tube where Wonder Woman is encased in suddenly disappears.
The Girl from Ilandia - S2-E21
Continuity mistake: When Wonder Woman arrives at the cliff searching for Tina, there are two mistakes: First, the dog stands on her right side. Then he barks offscreen, but Wonder Woman looks at her left side. Second mistake: the dog walks ahead towards the beach shore to search for the girl, but in the immediate wide angle, he is turning around, walking behind Wonder Woman.
The Girl from Ilandia - S2-E21
Continuity mistake: When the bad guys abduct Tina, check the concrete ground: it's made of one clear and one dark block. The dog keeps changing positions in every shot.

The Girl from Ilandia - S2-E21
Revealing mistake: When Wonder Woman tosses balls at Tina for her to stop them mentally, the edge of the protective glass in front of the girl is visible, plus there is a yellowish reflection that wobbles every time the ball hits the glass.
The Girl from Ilandia - S2-E21
Continuity mistake: When Tina sends the tennis ball up the sky, it's all cloudy. Three seconds later, when Wonder Woman throws her ball, there's not a single cloud, and it's a sunny day.
The Girl from Ilandia - S2-E21
Revealing mistake: When Tina and Wonder Woman rate each other's jumps, in the close-ups the background is an obvious blue backdrop that doesn't match the exterior gardens they are at.
The Girl from Ilandia - S2-E21
Other mistake: The close-up shots of Tina's glowing bracelets and pendant are the same shot reused.
The Girl from Ilandia - S2-E21
Continuity mistake: The position of Tina's breakfast food on the plate changes between wide shots and close-ups. Check the green leaves and the slice of bread.

The Girl from Ilandia - S2-E21
Visible crew/equipment: Crew members holding a boom mic pole are reflected on the side of the car.
The Girl from Ilandia - S2-E21
Continuity mistake: The first time Tina's jewelry glows, she is against a brick wall, but in the close-up, it's a blue background.

The Girl from Ilandia - S2-E21
Revealing mistake: When Tina jumps out of the window, she is a young girl. When she runs away (and all further jumps and stunts in this episode), she is replaced by an adult, taller stunt.
The Girl from Ilandia - S2-E21
Continuity mistake: When Tina escapes from the hospital through the window, the blind is rolled up to the halfway point. A shot later, it's rolled all the way up.
The Girl from Ilandia - S2-E21
Continuity mistake: When Wonder Woman arrives at the laundry basket where Tina lies unconscious, the girl is facing ahead. A frame later, she is facing sideways.
The Girl from Ilandia - S2-E21
Continuity mistake: When Diana spins around in the hospital, the sun shines through the window behind her. When she transforms, it is dusk, almost dark. When she arrives at the floor below, light shines through the window again.

The Girl from Ilandia - S2-E21
Continuity mistake: When the captain of the boat saves the girl in the water, he is wearing white sneakers. When he lifts her up, he is wearing black shoes.
The Girl from Ilandia - S2-E21
Continuity mistake: When Tina floats on a plank, she swaps between being parallel or perpendicular to the plank.
The Man Who Wouldn't Tell - S2-E20
Continuity mistake: At the lab, Wonder Woman jumps on top of a man and grabs him. Then she is away from him, ducking some object being tossed at her, but a shot later she's holding the guy again. Then they both run off-screen to the left, but a shot later they're in the same spot fighting.
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."