When the sun rises this weekend, Summer 2018 will officially be over. The hottest season of the year was one to forget for series like "Salvation" and "Quantico" -- but neither of them were the lowest-rated show of the summer.
TheWrap ranked the Big 4 broadcast networks' Bottom 17 summer series by their average 18-49 ratings.
Scroll through the gallery.
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Rank: 12 (tie)
Show: "Running Wild With Bear Grylls"
Net: NBC
18-49 Rating: 0.7
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Rank: 12 (tie)
Show: "Trial & Error" (9 p.m. episodes)
Net: NBC
18-49 Rating: 0.7
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Rank: 12 (tie)
Show: "TKO: Total Knock Out"
Net: CBS
18-49 Rating: 0.7
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Rank: 12 (tie)
Show: "Undercover Boss"
Net: CBS
18-49 Rating: 0.7
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Rank: 12 (tie)
Show: "Castaways"
Net: ABC
18-49 Rating: 0.7
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Rank: 12 (tie)
Show: "Quantico"
Net: ABC
18-49 Rating: 0.7
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Rank: 7 (tie)
Show: "Reverie"
Net: NBC
18-49 Rating: 0.6
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Rank: 7 (tie)
Show: "Trial & Error" (9:30 p.m. episodes)
Net: NBC
18-49 Rating: 0.6
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Rank: 7 (tie)
Show: "The Last Defense"
Net: ABC
18-49 Rating: 0.6
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Rank: 7 (tie)
Show: "Take Two"
Net: ABC
18-49 Rating: 0.6
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Rank: 7 (tie)
Show: "What Would You Do?"
Net: ABC
18-49 Rating: 0.6
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Rank: 3 (tie)
Show: "48 Hours: NCIS"
Net: CBS
18-49 Rating: 0.5
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Rank: 3 (tie)
Show: "Salvation"
Net: CBS
18-49 Rating: 0.5
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Rank: 3 (tie)
Show: "The Gong Show"
Net: ABC
18-49 Rating: 0.5
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Rank: 3 (tie)
Show: "Love Connection"
Net: Fox
18-49 Rating: 0.5
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Rank: 2
Show: "Whistleblower"
Net: CBS
18-49 Rating: 0.4
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Rank: 1
Show: "Pink Collar Crimes"
Net: CBS
18-49 Rating: 0.3
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