Some shows hit hard from minute one; they grab your collar in the first five minutes and pull you into the big case. Regai fits that mould: a crime thriller that stays brisk, tense, and raw so it feels true. If you waited for a watch without stopping to translate each line, here is the good news: the team offers Regai in Hindi and in the original Tamil audio. Choose your track and start the run.
Even better? This isn’t a “someday I’ll binge it” series. It’s built for the kind of weekend where you say “one episode” and suddenly it’s 2:17 AM, and you’re suspicious of every polite smile on screen.
What Regai Is About (And Why It Feels Uncomfortably Plausible)
In Regai, a set of deaths linked to clinical trials is being disguised as “accidents.” That’s the hook. The deeper cut is how quietly organised the cover-up feels—like a machine that has been running smoothly for a long time.
At the centre of it all is SI Vetri, a cop who starts pulling at loose threads and realises the whole fabric might come down with it. What begins as an investigation quickly turns into a race against time, because the people controlling the narrative don’t just want to stay hidden—they want the story buried.
And the show’s smartest move? It doesn’t waste your time. Regai is just 6 episodes, which means the plot doesn’t wander off to find itself. It marches.
The Hindi Version Changes One Thing: Your Entry Point
Let’s be honest—language can be the difference between “I’ll watch it later” and “I finished it in one sitting.” With audio available in both Tamil and Hindi, Regai becomes instantly more binge-friendly for a wider crowd, without changing what made the series sharp in the first place.
If you love the flavour of the original performances, go Tamil. If you want pure story-speed—especially for a plot-heavy thriller—go Hindi. Either way, you’re getting the same dark puzzle, just with a different doorway into it.
Meet The Key Characters And Cast
A thriller lives and dies by the people carrying its tension. Regai keeps the character set tight and purposeful:
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Bala Hasan as Vetri
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Pavithra Janani as Sandhiya
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Vinodhini as Pushpavalli
The show doesn’t introduce faces just to fill space—each character feels like they’re either holding a secret, chasing one, or about to become collateral.
Episode Guide: Six Chapters, Zero Drag
If you like knowing what kind of ride you’re signing up for, here’s the episode lineup (with runtimes that make “just one more” dangerously easy):
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Episode 1: “The Dead End” (21m)
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Episode 2: “The Fingerprint Revealed” (20m)
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Episode 3: “The Trap” (22m)
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Episode 4: “Divya’s Escape” (25m)
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Episode 5: “The Clinical Crime” (18m)
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Episode 6: “And That’s How She Died” (29m)
All 6 episodes dropped together, and the series release date listed is 28 Nov 2025.
Why Regai Works For Crime-Thriller Fans
There’s a particular satisfaction in thrillers where the villain isn’t a single person—it’s a system. Regai leans into that dread. Clinical trials, paperwork, official language, “nothing to see here” authority… It’s the kind of setup that makes you feel powerless, which is exactly why watching Vetri push back becomes addictive.
Also, the show’s tone is consistently sharp: Crime + Thriller, with a U/A 16+ rating that signals it won’t sugarcoat the stakes.
And if you’re someone who watches thrillers like a sport—pausing to predict the next move, rewinding to catch a glance, arguing with the screen—Regai quietly invites that obsession.
How To Watch Regai In Hindi And Tamil
Here’s the simplest way to do it:
- Open the Regai page.
- Hit Play on Episode 1.
- Go to player settings and choose an audio track: Hindi or Tamil.
- Use English subtitles if you want help with lines.
If you want to roam wider than this title, open the Web Series library, or jump to Hindi web series for stories that spare you brain translation chores. Save the picks you like. Invite friends and build a small queue list.
What To Watch Next If Regai Hooks You
Finished Regai, and now your brain is still in “investigation mode”? That’s normal. Feed it with something that keeps the tension alive:
- Explore the Crime web series for cases built on secrets, motives, clues, lies, and messy truths that surface.
- Or turn to Thriller web series for tight pacing and big twists that slam like doors in a storm on dark nights.
Different formats, same adrenaline.
Quick Facts Before You Hit Play
Regai runs short and sharp for a clean binge: 6 episodes, Crime/Thriller, Hindi and Tamil audio, English subtitles, U/A 16+, plus one central mystery about clinical trial deaths staged as fatal accidents. If that note made you arch a brow, you know the play. Queue it, call friends, start the watch.
Bio of Author: Gayatri Tiwari is an experienced digital strategist and entertainment writer, bringing 20+ years of content expertise to one of India’s largest OTT platforms. She blends industry insight with a passion for cinema to deliver engaging, trustworthy perspectives on movies, TV shows and web series.