1 Million FPS: the Slow Mo Guys go stupidly slow
Nearly nineteen minutes of proper science experiments, filmed at speeds the eye can't normally see.
This is the Slow Mo Guys doing what they do best: proper experiments, a very expensive camera, and the reveal of what actually happens in the split-second the naked eye misses. Educational value scores 90 and safety sits at 95, with a presenter annoyance score of just 1, warm and understated rather than shouty. It's not built to calm anyone down (energy effect reads neutral), but for curious, older children it's close to essential viewing.
At a glance
Will it actually calm them down?
Takes the edge off a wound-up mood well
Lifts a flat, tired mood nicely tooScores measure how reliably this video moves a child toward a settled, regulated state. In the Piko app, kids tell us their weather and we do the matching automatically.
Which kids will love it?
Why it works
Shots cut every 5.2 seconds on average, quick enough to keep pace with a genuine experiment unfolding, and the pacing score of 75 reflects a video that's busy without being chaotic. The presenter's warm, moderate-energy delivery scores just 1 out of 10 for annoyance, some of the lowest in this batch, and the format mixes a proper science experiment with the channel's usual light vlog humour.
Regulation-wise it sits mostly in neutral territory: 80 for settling a wound-up mood, 75 for lifting a flat one, only 40 for meltdown recovery, so it's built to fascinate rather than calm. Sensory intensity is moderate, with sudden sounds flagged as a trigger, worth knowing given some of what gets filmed here involves bangs and impacts, and comfort rating sits at 80. Brain-rot risk reads none and it ends properly with no cliffhanger.
Play-style scores tie Explorers and Independents at 95 (age 10-11), with Thrill Seekers close behind at 90, exactly the mix you'd expect from a video about filming things at a million frames a second. The verdict data names curious science lovers, fans of British humour and visual learners as the strongest fit.
When to reach for it
- After-school wobble. Scores 80 for settling a wound-up mood, with moderate sensory intensity rather than anything overwhelming.
- Twenty minutes to cook dinner. Runs 1118 seconds with a proper ending, comfortably filling the gap without a cliffhanger to argue over.
- For the child who loves asking 'but why'. Educational value scores 90, with real experiments rather than just narrated facts.
Sensory & SEN notes
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Questions parents ask
Is this suitable for a sound-sensitive child?
Sensory intensity is rated moderate overall, and sudden sounds are specifically flagged as a trigger, which tracks given some experiments involve bangs and impacts. Comfort rating sits at 80, and no visual triggers are noted.
Will this wind a child up or calm them down?
Energy effect is logged as neutral. It scores 80 for settling a wound-up mood and 75 for lifting a flat one, but only 40 for meltdown recovery, so it's better for engaged curiosity than active calming down.
How annoying is the presenter?
Not very. Presenter annoyance score is just 1 out of 10, with a warm, moderate-energy, British delivery, among the gentlest presenter profiles in this batch despite the high-energy subject matter.
What age does this suit best?
Explorer and Independent play styles both peak at 95 at age 10-11, with Thrill Seekers close behind at 90. All six SEN suitability flags read true, so it's broadly safe, but the content itself lands best with older, science-curious children.
40+ checks per video, with a final pass from the review desk · Scored 11 July 2026 · We do not host videos; playback is via YouTube's official embed.