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If you liked

Slow Horses

2022–2025 · 6 seasons · Apple TV

New and upcoming (2026 and later)

Out this year, or not out yet.

Secret Service

2026 · 1 season · ITV1
british spybritish intelligencespy
Not streaming in the US
PONIESPONIESCIACIAUnfamiliarUnfamiliarMemory of a KillerMemory of a KillerBaitBaitLuckyLuckySpider-NoirSpider-Noir

The last five years (2021 to 2025)

Current, and all of it watchable now.

Lioness

2023–2026 · 3 seasons · Paramount+
fuboTVParamount Plus PremiumParamount Plus EssentialNext episode 2026-09-20
TempestTempestThe Night AgentThe Night AgentThe Company You KeepThe Company You KeepHijackHijackThe RecruitThe RecruitParadiseParadiseDeath by LightningDeath by Lightning

Five to fifteen years back (2011 to 2020)

Recent enough that everyone can still find it, old enough to be finished.

The Night Manager

2016–2026 · 2 seasons · BBC One
spy
Amazon Prime VideoKanopyAmazon Prime Video with Ads
The CaptureThe CaptureThe BureauThe BureauTom Clancy's Jack RyanTom Clancy's Jack RyanThe AmericansThe AmericansTehranTehranCrime Diaries: The CandidateCrime Diaries: The CandidateSpy CitySpy City

Older than fifteen years (before 2011)

The back catalogue, where the closest match often is.

Spooks

2002–2011 · 10 seasons · BBC One
mi5spy
Amazon Prime VideoPeacock PremiumPhilo
ArchangelArchangelRubiconRubiconXIIIXIIISleeper CellSleeper CellState of PlayState of PlayCarlosCarlosAliasAlias

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Name three shows you loved and it ranks the whole catalogue against your taste rather than against one title.

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