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What if rainbows were actually time travelers flying across the sky? On his first flight through time, Arco (10) crash lands from the year 3000 into our near future. His fall is witnessed by a little girl, Iris, who helps him return home.

In the "Strangers" finale, survivors face new threats from masked strangers. Secrets emerge, jeopardizing their lives as the line between reality and peril blurs in their battle for survival.

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