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The Best Episodes of The War Between the Land and the Sea Season 1

Every episode of The War Between the Land and the Sea Season 1 ranked from best to worst. Discover the Best Episodes of The War Between the Land and the Sea Season 1!

Binge this in 3h 57m·Peaking at 7.5/10
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Episode Rankings

  1. #1 Fan Favorite
    The War Between the Land and the Sea Season 1 Episode 2 - Plastic Apocalypse
    7.5/10(1142 votes)

    S1:E2

    Barclay becomes humanity's ambassador when the mysterious Salt emerges from the Tank. But his family's life is torn apart when Salt wreaks revenge upon all mankind.

    Director:Dylan Holmes Williams
    Writer:Pete McTighe

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  2. The War Between the Land and the Sea Season 1 Episode 1 - Homo Aqua
    7.3/10(1205 votes)

    S1:E1

    Barclay's ordinary life becomes a world of terror when an ancient species rises from the sea. As UNIT fights for control, the summit on the Thames reveals terrifying secrets.

    Director:Dylan Holmes Williams
    Writer:Russell T Davies

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  3. The War Between the Land and the Sea Season 1 Episode 3 - The Deep
    7.2/10(893 votes)

    S1:E3

    Barclay makes a terrifying descent into the world of Homo Aqua. Back on the land, Kate stands alone as Downing Street conspires with the army to change the course of the war.

    Director:Dylan Holmes Williams
    Writer:Pete McTighe

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  4. The War Between the Land and the Sea Season 1 Episode 4 - The Witch of the Waterfall
    6.9/10(857 votes)

    S1:E4

    Barclay and Salt go on the run in a war-torn London as UNIT reels from disaster. But when Tide threatens the land and Gunsberg advances his plans, the Severance schemes demand blood.

    Director:Dylan Holmes Williams
    Writers:Russell T Davies, Pete McTighe

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  5. The War Between the Land and the Sea Season 1 Episode 5 - The End of the War
    6.5/10(773 votes)

    S1:E5

    Barclay stands alone, Salt is lost, UNIT is powerless, and the oceans rise as the war reaches its climax. While traitors conspire, can Barclay find Salt before it's too late?

    Director:Dylan Holmes Williams
    Writer:Russell T Davies

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Season 1 Ratings Summary

"Plastic Apocalypse" is the best rated episode of The War Between the Land and the Sea season 1. It scored 7.5/10 from 1,142 votes. Directed by Dylan Holmes Williams and written by Pete McTighe, it aired on December 7, 2025. This episode is rated 0.2 points higher than the second-best, "Homo Aqua".