Season 6 Episodes9
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Ranked #1 of 4 in Season 6•+0.6 vs season avg
Two murders in Toronto ignite an investigation that spans four decades, but breakthroughs in investigative genetic genealogy help crack the case. Josh Mankiewicz revisits the mystery that took him to the coldest and most remote place he's ever been.
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"Evil Walked Through the Door" is episode 7 of Dateline: Unforgettable season 6. It scored 7.6/10 from 5 votes, ranking #1 of 4 episodes this season (season average 7.0). It aired on July 17, 2025.