

Bang Goes the Theory
We checked 8 streaming services in India on 04 Jun 2026 at 18:03 IST
About
Dallas Campbell, Liz Bonnin, Jem Stansfield and Dr. Yan Wong take on the scientific world by devising their own ingenious ways of explaining cutting-edge developments in technology.
Cast
Episodes
Season 1

Vortex Cannon
Jem Stansfield builds a vortex cannon to pick up where the big bad wolf failed to blow over a house of brick; Dallas Campbell takes on the big brother technology that will track every one of us simply by the way we walk; Liz Bonnin confronts the controversial US scientist working to create the first generation of artificial life; and Dr Yan Wong tackles unsuspecting shoppers with a simple question: how do you cook an egg with a piece of newspaper?

Jet Pack
In this second episode of the series, the team take on more scientific challenges. Engineer Jem Stansfield designs, builds and then puts his life in his hands by tying himself to a water jet pack. Zoologist Liz Bonnin finds out if insects are the future of food, science-mad Dallas Campbell investigates NASA's latest attempts to prove there is life beyond Earth, and roving reporter Dr Yan Wong challenges the people of Cambridge to blow up a bin liner.

Vacuum Climber
In the latest of the series that puts science to the test, the team takes on more fun experiments and challenges. Dallas Campbell traces the incredible global journey of 30,000 indestructible plastic ducks, while Liz Bonnin goes on manoeuvres at the bottom of the Baltic Sea in the Royal Navy's latest search and rescue sub. Dr Yan Wong challenges the people of Cardiff to take on the might of friction, and Jem Stansfield uses two domestic vacuum cleaners to climb up the side of a building.
Rockets & Space
The team take on more popular science. Liz Bonnin investigates recent research into the magnetic qualities of cows, while Dallas Campbell puts psychological priming to the test. Dr Yan Wong demonstrates why rockets work in space with the help of an underwater firework, and Jem Stansfield tries to put the programme in the space race.
Adrenaline Junkie
Jem Stansfield attempts to defeat the US Navy's latest weapon with no more than some foam and a crash helmet. Zoologist Liz Bonnin gets in contact with her frog brain, Dallas Campbell re-programmes his caveman brain to become a thrill-seeker, and Dr Yan Wong gets his thrills from inhaling sulphur hexafluoride.
Helicopters
Jem Stansfield takes to the air with the Royal Navy to explain how helicopters work, while Liz Bonnin puts brain training devices to the test. Dallas Campbell investigates the new space entrepeneurs in California, and Dr Yan Wong shows how to melt glass with a microwave.
Braking Systems & Origins Of Speech
Jem Stansfield tests out new braking systems that won't burn money, Liz Bonnin looks into the origins of speech by trying to wipe out someone's speech cortex, Dallas Campbell takes part in a sea race with Dame Ellen MacArthur to try and explain why British summers are rubbish and Dr Yan Wong explains a common optical illusion.
Microwave Death Ray & Gyroscopes
Jem Stansfield builds a microwave death ray to prove the existence of invisible and untapped energy, Liz Bonnin takes on the nature versus nurture debate with a troop of monkeys, Dr Yan Wong explains how gyroscopes work with the help of a couple of office chairs, and Dallas Campbell decides to save the world of physics from crisis by trying to find a missing bit of the universe.
Where does Bang Goes the Theory rank today?
Bang Goes the Theory is #4595 on the Bowood.TV Daily Streaming Charts today.
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Watch Bang Goes the Theory Online Free — All Episodes in HD
Stream Bang Goes the Theory online free in HD on Bowood.TV. A well-rated family and documentary series originally produced in English and released in 2009, it's earned a solid 7.8/10 from 6 viewers worldwide.
About Bang Goes the Theory
Dallas Campbell, Liz Bonnin, Jem Stansfield and Dr. Yan Wong take on the scientific world by devising their own ingenious ways of explaining cutting-edge developments in technology. Across 8 seasons and 64 episodes, originally airing on BBC One.
Bang Goes the Theory Cast and Characters
The cast features Liz Bonnin (as Self - Presenter), Dallas Campbell (as Self - Presenter), and Jem Stansfield (as Self - Presenter). Their performances are a major reason Bang Goes the Theory has built such a passionate audience.
Where to Watch Bang Goes the Theory Online
On Bowood.TV you can watch Bang Goes the Theory free — no account, no credit card, no ads in the middle of the show. We stream the full series in 720p / 1080p HD, with subtitles when available, on any device: phone, tablet, laptop, or smart TV browser.
▶ Watch Bang Goes the Theory NowWhy People Are Watching Bang Goes the Theory
There's a reason Bang Goes the Theory keeps showing up on "must-watch" lists. What makes it work is a tone and style that's hard to find elsewhere. If you enjoy English storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about Bang Goes the Theory
Where can I watch Bang Goes the Theory online for free?
You can watch Bang Goes the Theory online free on Bowood.TV. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Bang Goes the Theory have?
Bang Goes the Theory has 64 episodes across 8 seasons. All episodes are available to stream right here on Bowood.TV.
Is Bang Goes the Theory good? What's the rating?
Bang Goes the Theory holds a 7.8/10 rating based on 6 reviews — well above average.
Who is in the cast of Bang Goes the Theory?
The main cast includes Liz Bonnin, Dallas Campbell, and Jem Stansfield.
Is Bang Goes the Theory available in English?
Yes — Bang Goes the Theory was originally produced in English and that's the version you'll stream here on Bowood.TV.
When was Bang Goes the Theory released?
Bang Goes the Theory first aired in 2009.
Do I need an account to watch Bang Goes the Theory on Bowood.TV?
No. Bowood.TV is free and you can watch Bang Goes the Theory without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Similar Series You Might Like
If you enjoyed Bang Goes the Theory, check out Droners, On the Edge, Becoming Human, What's Next? The Future with Bill Gates, and Tekniskt magasin.
Frequently Asked Questions
Where can I watch Bang Goes the Theory for free?
You can watch Bang Goes the Theory online for free on Bowood.TV. All 64 episodes across 8 seasons are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does Bang Goes the Theory have?
Bang Goes the Theory currently has 8 seasons and a total of 64 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on Bowood.TV and continue watching from where you left off.
What is Bang Goes the Theory about?
Dallas Campbell, Liz Bonnin, Jem Stansfield and Dr. Yan Wong take on the scientific world by devising their own ingenious ways of explaining cutting-edge developments in technology. It belongs to the Family, Documentary genres.
In which language is Bang Goes the Theory originally available?
Bang Goes the Theory was originally produced in English. On Bowood.TV the show is available in its original English audio, which is the most authentic way to experience the dialogue, music, and performances. Check the player options on the watch page for available subtitle tracks.
When was Bang Goes the Theory first released?
Bang Goes the Theory first premiered on July 27, 2009 (2009). The series has since concluded its run.
All Seasons
Browse every season of Bang Goes the Theory — 8 seasons in total
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