Watchly Safety Review

Bed Bugs- What You've Been Told is Totally False

Mark Rober

23:47 · 70.2M views · March 4, 2023

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Minor FlagsReviewed June 2026

2Minor Flags

4No Issues

This science-focused video is genuinely educational and safe for most kids aged 10 and up, with the main caveat being a brief explanation of traumatic insemination in bedbugs and some mildly gross visuals of live infestations. The host visits a real university entomology lab, runs controlled experiments, and delivers practical, expert-backed advice — making it one of the more substantive science videos on YouTube. A sponsored segment for CrunchLabs build boxes appears at the end but is clearly labeled and not disruptive to the educational content.

Content Breakdown · 6 Categories

Sexual References & Suggestive ContentNot present

The video briefly describes traumatic insemination in bed bugs using a plug/outlet metaphor and mentions bed bugs mating, but this is presented in a purely scientific/educational context with no suggestive or sexualizing intent toward humans.

See evidence (3)

“Typically in nature, in order to make a baby of a thing, you have a male, which, let's say, is represented by this plug and a female, which let's say is represented by this outlet.”

“The scientific term for this is called traumatic insemination.”

“Oh, you better not start mating on me.”

Hidden Advertising & Sponsored ContentNot present

The CrunchLabs promotion at the end of the video is clearly and transparently disclosed as a product/subscription advertisement, including a contest disclaimer in the description, so it does not qualify as hidden advertising.

See evidence (2)

“go to crunchlabs.com, and order your Build Box subscription today”

“Now if you want fascinating discoveries delivered right to your door every month, just head to crunchlabs.com”

Parasocial & Emotional ManipulationNot present

The video uses light audience-engagement language typical of educational YouTube content but does not guilt-trip viewers, manufacture drama, or attempt to extract emotional dependence; the tone is enthusiastic but not manipulative.

See evidence (1)

“if you could power through your squeamishness and spend the next few minutes here with me”

Low-Quality, Extreme & Stunt ContentA little

Allowing bed bugs to feed on one's arm is mildly stunt-like, but it is conducted in a controlled university lab setting under expert supervision for genuine scientific demonstration, not shock value or views-farming.

See evidence (2)

“I'm taking one in the name of science, and we're going to load up 10 bedbugs on my arm.”

“This is me subjecting my body to science.”

Sexual Education & Reproductive HealthA little

The video briefly explains insect reproduction and traumatic insemination using a plug/outlet metaphor, which is scientific entomology content rather than human sex ed, but parents of very young children may want to be present for this segment.

See evidence (3)

“Typically in nature, in order to make a baby of a thing, you have a male, which, let's say, is represented by this plug and a female, which let's say is represented by this outlet. And if you plug in the cord, you get an adorable little baby.”

“The scientific term for this is called traumatic insemination. And just like my wall is now damaged, it actually damages the abdomen of the females, leading to significantly shorter lifespans.”

“leading females to lay up to five eggs every day”

Playful & Fantasy ViolenceNot present

The only vaguely combative language is the light-hearted 'I vote them off the island' and 'Last to leave the arm wins' framing during the bed bug feeding experiment, which is clearly playful commentary with no actual violence.

See evidence (2)

“As they finish, I vote them off the island.”

“This is like a MrBeast's challenge. Last to leave the arm wins a gallon of rabbit blood.”

What Parents Need to Know

This video is a well-researched deep dive into bedbug biology and pest control, hosted by Mark Rober in collaboration with a Rutgers University entomologist. Kids will genuinely learn about insect biology, the scientific method (controlled experiments are run on camera), and practical home safety. The host allows bedbugs to feed on his arm, which some younger or squeamish children may find disturbing. There is a brief, metaphor-based explanation of traumatic insemination (a real biological phenomenon) using a plug-and-outlet analogy and a hammer — parents of younger children may want to be aware of this moment. Footage of heavy infestations in an apartment may also be unsettling. The video ends with a 2-3 minute sponsored segment for CrunchLabs subscription boxes, which is enthusiastic but not deceptive. Overall, the content is honest, science-based, and debunks misinformation — a net positive for curious kids.

Talk to Your Kids About

1What experiments did the scientists run to figure out what actually kills bedbugs? What made those experiments fair?
2Why do you think some bedbugs have become immune to pesticides over time? What does that tell us about how living things change?
3The video showed that a lot of popular bedbug 'cures' you find online don't actually work. How can you tell the difference between good science advice and bad advice?
4Would you have let the bedbugs feed on your arm like the host did? What would make you willing — or unwilling — to do something like that for science?

Bed Bugs- What You've Been Told is Totally False

Protected Viewing

What's This Video About?

One of the best things about life is you can pick any topic and if you dive deep enough, you’ll make fascinating discoveries all the way down. Now if you want fascinating discoveries delivered right to your door every month, just head to https://www.crunchlabs.com! You should also go subscribe to the CrunchLabs YouTube channel cause we’ve got some bangers in the pipeline- https://www.youtube.com/crunchlabs Thanks to these folks for providing some of the music in the video: Ponder - @Pondermusic Laura Shigihara - @supershigi Andrew Applepie - https://soundcloud.com/andrewapplepie Blue Wednesday - https://soundcloud.com/bluewednesday Orion Williams - @orionplaysmusic NO PURCHASE NECESSARY. Promotion starts on 1/1/2023 & ends on 12/31/23, subject to monthly entry deadlines. Open to legal residents of the 50 U.S. & D.C., 18+. 1 prize per month: each month is its own separate promotion. For the first 2-3 months, winner may be notified via phone call instead of winning game piece. If a monthly prize is unclaimed/forfeited, it will be awarded via 2nd chance drawing. See Official Rules at crunchlabs.com/sweepstakes for full details on eligibility requirements, how to enter, free method of entry, prize claim procedure, prize description and limitations. Void where prohibited.

Frequently Asked Questions

What age is this video appropriate for?

We recommend this video for ages 10 and up. Younger children may be disturbed by close-up footage of live infestations, the host allowing bugs to feed on his arm, and a metaphor-based explanation of a graphic insect reproductive behavior. Older kids and tweens will likely find it fascinating and genuinely educational.

Is there anything sexual in this video?

There is a brief explanation of traumatic insemination — a real biological behavior in bedbugs — using a plug, outlet, and hammer as metaphors. It is not graphic or titillating, but parents of younger or sensitive children may want to preview this segment (roughly the two-thirds mark of the video) before letting kids watch.

Is the science in this video accurate and trustworthy?

Yes — the video is produced in collaboration with Dr. Changlu Wang, a real entomologist at Rutgers University, and the experiments shown are legitimate controlled tests. The advice given (diatomaceous earth, heat treatment, encasements) aligns with mainstream pest control guidance and debunks common misinformation.

Is there advertising or sponsored content in this video?

Yes, the final 2-3 minutes are a sponsored segment promoting CrunchLabs, the host's own STEM subscription box service. It is enthusiastic and product-focused but clearly transitions from the main content, so kids can easily recognize it as an ad with a little guidance from parents.

Will this video scare young children or cause anxiety about bedbugs?

Possibly for younger or anxious children — there are close-up shots of large infestations, live bugs feeding on skin, and discussion of bugs surviving for 300 days without food. However, the overall tone is reassuring, emphasizing that bedbugs are manageable and don't transmit disease, which may actually reduce fear for older kids.

Is there any dangerous behavior kids might try to imitate?

The host allows bedbugs to feed on his arm, which is done under expert supervision in a controlled lab setting. The video does not encourage viewers to replicate this, and the context makes clear it is a scientific demonstration. No other imitable risky behavior is present.