Hidden gems on Prime Video UK (2025): 18 under-the-radar picks

You’ve rinsed the big hitters. Now for the fun part: the under-sung films and series that quietly live in Prime Video’s UK catalogue and are absolutely worth your time.

Below you’ll find 18 hand-picked selections: 10 series, 8 films, with quick “why watch” notes, vibes, and a UK availability check.

How we picked (fast)

Focus on less-hyped Amazon Originals and a few UK-available sleepers with strong word of mouth.
Titles were checked on Amazon.co.uk pages and marked Included with Prime (UK) where applicable on 31 Aug 2025. Availability changes, so we’ve time-stamped each entry.
We cross-referenced recent UK “what’s new/what’s leaving” posts so you don’t chase something that’s vanishing.

Quick filters

Mood: offbeat • gentle sci-fi • moody crime • character-led • cosy funny
Length: single-season • short episodes (~30m) • film night
Region: verified for UK Prime as of 31 Aug 2025

New & leaving heads-up

New to UK Prime this month (highlights): Amazon’s own round-up flags fresh originals and licensed drops for August 2025 (plus the September slate preview). Worth a skim before you pick.
Weekend radar: Catching the Tinder Predator lands in the UK on 7 Sep; a docuseries on the Harkins case and the women who pushed it over the line.
Leaving soon: VODzilla’s rolling “Last Chance to Stream” page tracks UK expiry windows — handy if you spot something here and want to prioritise it.

10 under-seen series (UK Prime)

Patriot (2015–2018) – dark spy comedy
Why watch: deadpan humour, folk songs as field reports, and an all-timer supporting cast.
Vibe: Coen-ish melancholy meets office satire.
Watch in UK: Included with Prime – verified 31 Aug 2025.

Red Oaks (2014–2017) – coming-of-age at a Jersey country club
Why watch: warm, funny, quietly moving; a perfect low-stakes binge.
Vibe: 80s summer haze, great needle-drops.
Watch in UK: Included with Prime – verified 31 Aug 2025.

Undone (2019–2022) – rotoscope time-twister
Why watch: bold visual style serving a tender family mystery.
Vibe: dreamy, intimate sci-fi; 22–24 min eps.
Watch in UK: Included with Prime – verified 31 Aug 2025.

Tales from the Loop (2020) – small-town sci-fi anthology
Why watch: stand-alone episodes with beautiful, gentle storytelling.
Vibe: sad robots, big feelings, gorgeous music.
Watch in UK: Included with Prime – verified 31 Aug 2025.

Forever (2018) – Maya Rudolph & Fred Armisen’s offbeat afterlife dramedy
Why watch: sharp, tender look at long-term love with a surreal streak; a one-evening watch at 8 eps.
Vibe: deadpan, quietly funny.
Watch in UK: Included with Prime – verified 31 Aug 2025.

Paper Girls (2022) – time-travel adventure from Saga writer Brian K. Vaughan.
Why watch: scrappy charm, great kid ensemble, underrated effects work.
Vibe: Amblin energy with sharper edges.
Watch in UK: Included with Prime – verified 31 Aug 2025.

The Wilds (2020–2022) – stranded teens, bigger conspiracy
Why watch: twisty YA survival story with strong performances.
Vibe: mystery box, character-first.
Watch in UK: Included with Prime – verified 31 Aug 2025.

Paatal Lok (2020–2025) – Delhi noir (S1–2)
Why watch: gritty investigation that spirals into politics and power.
Vibe: slow burn, hard-edged.
Watch in UK: Included with Prime – verified 31 Aug 2025.

The Devil’s Hour (2022–2024) – UK psychological chiller
Why watch: Peter Capaldi is magnetic; Season 2 doubles down.
Vibe: eerie 3:33 a.m. dread with proper plot payoffs.
Watch in UK: Included with Prime – verified 31 Aug 2025.

Class of ’07 (2023) – Aussie apocalypse at a school reunion
Why watch: brisk, wicked humour; great chemistry across the cast.
Vibe: Yellowjackets’ messy friendships, played for laughs.
Watch in UK: Included with Prime – verified 31 Aug 2025.

8 film sleepers (UK Prime)

Sound of Metal (2020)
2 h 1 min – music drama
Why watch: inventive sound design and a quietly devastating Riz Ahmed turn.
Vibe: raw, humane, cathartic.
Watch in UK: Included with Prime –verified 31 Aug 2025.

Brittany Runs a Marathon (2019)
1 h 43 min – character comedy
Why watch: sharp, unsentimental take on self-change; huge heart.
Vibe: funny, prickly, uplifting.
Watch in UK: Included with Prime – verified 31 Aug 2025.

Blow the Man Down (2020)
1 h 32 min – coastal crime yarn
Why watch: small-town secrets, Margo Martindale in full command.
Vibe: chilly, witty, Fargo-ish.
Watch in UK: Included with Prime – verified 31 Aug 2025.

I’m Your Woman (2020)
2 h 1 min – 70s neo-noir
Why watch: Rachel Brosnahan pivots from sunny to steel; terrific atmosphere.
Vibe: moody, patient, rewarding.
Watch in UK: Included with Prime – verified 31 Aug 2025.

The Report (2019)
2h – political thriller
Why watch: taut, talky, gripping; Adam Driver at full voltage.
Vibe: process-driven, high stakes without the shouting.
Watch in UK: Included with Prime – verified 31 Aug 2025.

The Electrical Life of Louis Wain (2021)
1 h 51 min – British biopic
Why watch: bittersweet, imaginative portrait of the cat painter; lovely Cumberbatch/Foy pairing.
Vibe: whimsical then quietly bruising.
Watch in UK: Included with Prime – verified 31 Aug 2025.

One Night in Miami… (2020)
1 h 54 min – conversation piece
Why watch: smartly staged actor showcase; Kingsley Ben-Adir and Leslie Odom Jr. shine.
Vibe: talky, tense, surprisingly playful.
Watch in UK: Included with Prime – verified 31 Aug 2025.

The Big Sick (2017)
1 h 59 min – rom-com with bite
Why watch: properly funny, properly moving; great parent duo (Holly Hunter/Ray Romano).
Vibe: date-night winner.
Watch in UK: Included with Prime – verified 31 Aug 2025.

Reader picks that keep coming up

When fans swap “hidden gem” tips, these titles surface again and again: Patriot, Tales from the Loop, Sneaky Pete, ZeroZeroZero.

The Reddit thread is a good rabbit hole if you want more community-driven ideas. (Note: ZeroZeroZero may be buy-only in the UK at times.)

FAQ

Are these definitely “Included with Prime” in the UK?
Yes, at the time of checking the Amazon.co.uk title pages on 31 Aug 2025. Streams move, if a link shows “rent/buy only” later, it’s not you. Use your Watchlist and that VODzilla “leaving” page to stay ahead.

I only have time for one series tonight. What’s the safest short bet?
Try Undone (22–24 minutes per episode) or a couple of Red Oaks episodes.

What’s just landed?
Amazon’s UK newsroom post and monthly guides at TechRadar/TV Guide round up the newest drops for August/September 2025.