Divers TRAPPED On The Ocean Floor | Diving Gone Wrong 

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After watching so many of these deep sea tragedies, it feel like any technical issue that occurs at a certain depth should be considered urgent by default and only de-escalated when a full assessment is made by the rescue team.

That last story is especially brutal. Being trapped waiting on rescue while absolutely freezing is an awful way to go.

I hate the idea of having to stay under water to let your body adjust to the new pressure until you can go to the surface, its probably one of the scariest parts for me, if you stay too long you are essentially trapped

"Hey, you're going to go underwater in a piece of machinery. Do you wanna wear a wet suit or anything?" "Nah, it'll be fine. We'll be there for 30 minutes - what could possibly go wrong?" As my daddy told me time and time again: Plan for things to go wrong, not for things to go right.

That submarine story is exactly why you celebrate AFTER you complete your voyages, not before.

Hey no big deal but just FYI, Luke didn't have his mouthpiece out of his mouth. Infact Luke didn't have a mouthpiece period. We as commercial divers generally don't work on SCUBA. Instead, we wear a helmet, attached to that helmet is a hose or "umbilical" which has our communication cables and is also supplied with air from the surface via a compressor or larger tanks. All that to say, you don't have a regulator that goes in your mouth . So what happened is that Luke's helmet was fractured or crushed thereby allowing water to flood it and he drowned. I believe he was wearing a Kirby Morgan 37 or 77 if you are interested in looking that up to see how they work and just in case you decide to tell more commercial diving stories. Again, super easy mistake to make if you aren't a commercial diver, so no judgment at all. I just thought it would be helpful info for you. Be well and best wishes my friend.

Narrator's voice is perfect tone, and the graphics are evidence that this dude really goes above and beyond to immerse us in these experiences. This channel has quickly become my favorite.

I really need to hug my dad. I never thought about how freaking dangerous being a marine biologist is until I came to this channel and realized he's been in this sub, the ALVIN and has been so deep the large styrofoam coffee cup he brought me from a dive at the Galapagos that's compressed down to a fifth of it's original size easily could have been him thousands of times over. Thanks, I really needed this.

The last story is so frustrating cause of how much incompetence and just lack of urgency and preparedness there was. It sounded like all the rescue divers and ships were given barely any information of the severity of the situation or what exactly what going on. Sounded like all they were told was “ we have some workers stuck somewhere near a sunken ship and I think they’re fine so don’t worry or rush yourselves”

The story surrounding HMS Thetis is actually worse than presented. Ships with the cutting equipment needed to cut through the hull (and we are talking about a roughly centimetre and a half thick plating, so relatively thin) were on site. The stern of the Thetis was actually sticking *out* of the water prominently, with the bow being ploughed into the seabed, so rescuers had easy access to the submarine and no divers were needed. Cutting would have been easy and the men on the site urged for it, only to be ordered to stand by. Relatively recently a document from the period was found in the public archives that confirmed cutting through the hull was dismissed as an option because it would have compromised the structural integrity of the ship. This was 1939 and war with Germany looked (and was) inevitable and the Admiralty was more interested in preserving the ship rather than saving the crew. A submarine with a cut hull would have been structurally compromised even after repairs, but if it sank *without* being cut into, then it could be salvaged and put back into service, which is what happened in the end.

NEVER change the music you use for these videos. This song is absolutely chilling.

The levels of incompetence and negligence portrayed in these stories are mind boggling.

I feel so bad for all those people stuck in the submarine waiting to essentially run out of air and die all because that one guy panicked, and in his panic opened the hatch early causing everyone to die and have no chance or hope of survival. I can't even imagine being in that situation it's so horrific, I'm afraid of deep waters like the ocean as is so yeah shits terrifying.

I love these videos so much, there able to scare me without using cheap jumpscares or loud boom noises after being quite. It just uses the atmosphere that he creates during the videos to make you scared or uneasy and its so surprising that this channel isnt getting millions of veiws

I think the scariest part of diving and why I will never ever do it is the part where you have to very slowly go up and sit there and wait. Now imagine a person with thalassophobia is diving and they have to sit there and wait to go up, while their brain is making them think that something could come out of no where and drag them down to the bottom and kill them, or something like that. That’s actually terrifying, massive props to divers who dive willingly, you could never pay me enough.

"If you happen to be on a submarine right now" then you haven't been watching Scary Interesting nearly enough

If you haven't seen it already, I can recommend a documentary about a diving accident in the North Sea. It's called "Last Breath" and is about a diver who gets trapped alone on the bottom of the sea and the desperate attempt to rescue him from those in the boat above. It's been a few years since I saw it but I remember it being one of the most harrowing stories I've ever heard. I can't even fathom being all alone in absolute pitch-black sea. Perfect nightmare fuel, but a very well-made documentary.

I've said it before, this channel is the best in the "scary true story" genre on RU-vid. Great storytelling, and not just reading Wikipedia to us!

Nova Scotian here. Always neat to hear stories from my neighbourhood :) Although every time I listen to your diving stories, I'm like "Yeah, no. No small chamber-high-pressure-oxygen-tank-dependent adventures for me, thanks. Ever."

Thanks I show up to my next submarine next week lol. The experience of being trained on how to escape a submarine is extremely stressful and sensory overload. In my opinion, It is no fault to the guy who panicked. A lot of people would, especially if they weren’t trained for it. Imagine trying to hang from a pull-up bar with one hand while the other hand is holding a 70lb dumbbell while you are in a wind tunnel and water is splashing everywhere and you have to blow through your nose with a clip on it to equalize pressure in your ears at the same time. Then while ascending you have to keep exhaling so your lungs don’t explode at the lower pressure. It is an insane experience. British submarines no longer have built in escape systems as far as I know because escape is only possible in 1% of all the oceans where the depth is shallow enough. I love your diving content, my coworkers think I’m crazy watching this before work lol. But I have learned a lot from these videos, thank you!

Your videos are top notch. You are very well spoken. Of course your scripts are grade A, but your diction carrys them further. I appreciate the pace and pronunciation especially; I never have trouble understanding you. (Even if I did- you include subtitles as well!) Also like the ambient music. Its atmospheric without distracting. It doesn't impair your script audibility.

yeah man these deep sea diving episodes are the most terrifying videos of this whole entire thing... i mean being in a cave or up a mountain is one thing but being stuck deep at the bottom of the ocean with nowhere to go knowing air supplies are running out at a rapid speed i cant imagine the dread and fear these people have to endure through their last moments.

You are amazing at what you do. I always enjoy your work.

All diving missions should have an adequate rescue team available. That last story... so many people involved

This RU-vid channel is so interesting it’s scary

I’m a civil engineer who works primarily with open channel hydraulics. It’s really interesting to learn about dangers I don’t typically think about regarding maintenance etc.

From Nova Scotia and grew up hearing Luke's story and others like his. Such a terrible tragedy. We got some super dangerous waters from the Bay of Fundy, to Peggy's Cove, to the cost of Sable Island.

One of my relations was supposed to be on the Thetis but fortunately missed a train back from shore leave and arrived too late. Further, the ship was being refitted prior to this incident and they got rid of an octagonal wooden clock that hung on a wall somewhere inside (probably in the canteen). The relation that missed the train wanted it before he went on leave so they let him have it. We still have it to this day.

...I'm noticing a majority of these incidents, particularly in cave diving and oceanic diving, are caused by human error and carelessness. Skipping one safety step can cost someone their life, clearly.

I'm hundreds of miles from the nearest coast, and probably just as many from the nearest caving system. However, thanks to watching enough of your videos, I'm now too terrified to even leave the house. Keep up the good work! 👍

I’m not sure how I stumbled across your channel, but I’m fascinated with each video; I learn so much about a world I had never given a second thought of before.

The first few video this channel posted and I heard this music, still gives me chills to this day. The story telling with this music is just a master piece.

One thing you didn't mention about the HMS Thetis is that there is a thought that the Navy deliberately didn't conduct rescue operations as they should so the craft could be salvaged and reused (which it was - as the HMS Thunderbolt) Standard rescue practices would have meant cutting into the hull of the sub which they didn't do, instead leaving it intact to be salvaged and recommissioned under the name HMS Thunderbolt. It would seem that Neptune was determined to take the vessel however as it was sunk by depth charges in 1943 with the loss of all hands (at a depth where it could not be salvaged this time)

I've been a scuba diver since I was 14 yrs old. Now I'm 41 and I also had a scary episode when I was 15 yrs old. I love scuba diving, it's an expensive thing If you don't live by the coast or u don't have the equipment so I do it whenever I can, I've been very lucky so far, because you never know when things might take a turn. Like many ADHDers, I also focus better there, specially under life threatening situations such as these. I really thank u for these stories Sean, I've been binge watching them while I work, some ppl like crime or serial killer stories, but I'm a junkie for survival stories. I feel them like my own as I could have been there too. What humbles u the most is that sometimes, no matter how prepared u are, mother nature just changes everything and them boom, you're just trying your best to not die. I also love that u refer to all the safety measures that weren't addressed, technical stuff, ft and also mts, that helps a lot and makes the story more enjoyable and also, to learn from it if u do similar activities. To everyone that watches: despite of all these stories, I encourage u to safely scuba dive, hike, explore the planet. Life is short and for every casualty, there are many, many more wonderful experiences going on, doing the same. Besides, u can also choose never to go outside your house and some meteor or something might hit it with u in it. 🤣 So go on, explore this beautiful planet but always, always remember: safety first.

Imagine how pissed youd be at the guy that that panicked and trapped the others inside. His panic sealed all of their fates

"And if you happen to be on a submarine, right now, you might want to skip this one." I happened to watch this the EXACT day that sub was confirmed destroyed so some irony there.

little do they know this IS my endel lol these videos can both put me to sleep and help me focus during certain household chores, it's an absolute joy to listen to I finally heard your Canadian accent this time btw, I love it!

I think Thalassaphobia might be my favorite word. It really decribes the terror of the sea just by the way it sounds! And p.s Sean some knock-off channel pinched your soundtrack!

When I went through dive school one of my instructors told me a story of when they lost someone on the job. A fella named Kevin (can't remember if that was his name) was buried alive underwater. Everytime he inhaled the mud would fill the empty space so he couldn't exhale until he finally died. Scary way to go.

Great immersive videos! Keep them up please! 👏

Man i subbed to you back when you were quite new and had a much different format. You've done such a great job. Loving the content!

Anyone else have those "omg no THATS not gonna happen, is it?!" Moments when he's doing the intros like explaining what the divers were there to do on that day.

did the 4 people escaping through the emergency hatch (in the submarine-stuck-at-seafloor-story) survive those 13 hours until the rescue ship arrived?

As many others have said "I do love these videos/true stories" For me it's broad spectrum of places from regular Caves to those underwater, Oceans, Forrests, Jungles, Rivers in Afrika to South America to Australia, Ship Wreck Dives etc Also not having everyone dying is great, it does have to happen though so we appreciate what time we have

New content on a snowy Saturday, is a beautiful thing. Thank you, brother. Keep up the fine work.

What a horrific way to die. It's absolutely awful. Rest in peace to all who perished in the sea. Thank you for the video SI.👍

All it takes is a split second decision that make it or break for you. I can only imagine the terror all those men went through. RIP.

Aww man. You tend to mix in the occasional survival story as well so that last one had me on the edge of my seat the whole time.

I was amazed to hear that first story because it is in the small town where I live. I recall hearing that a diver had drowned under the tidal power plant but this was my first time hearing the full story.

Aside from the stories, what I love about your content is that I get to learn so much about the mechanics of things! The details you include are awesome!

the last one was impossibly frustrating. how the marines manage to get a line thats too short, and end up further on 2nd go, then fail with a dive bell. what a calamity of errors, like they were trying to go for some perfect play but instead just dropped the ball and started stumbling over it constantly

"Nope, not in a submarine atm...." Continue, Good Sir....

“If for some reason you happen to be in a submarine” hits kinda different now 💀

You are the Endel for me, I listen to your videos for concentration or dopamine, your voice is soothing and when I hear videos that I already watched before they don't distract me from what I'm supposed to do. You are most of the time the reason that my house is clean😂

The second story about HMS Thetis was recommissioned as HMS Thunderbolt, which was sunk near Sicily in 1943...what was it like take out those bodies? Did the crew feel 'weird' being in a sub that killed so many of their comrades?

I wish this was much longer haha, I know it’s a lot of work, I just love this shit. Ima smoke and eat cookies & milk while you whisper sweet terror into my ears. 😊

The feeling on a submarine is very very different from a plane. I would recommend that if you can find a submarine tour like the ones you can sometime get in Halifax Nova Scotia, you will quickly realize the drastic difference in experience between the two. One of which would be submarines are not a form a public transport unlike most planes.

I think I found you a while back and subscribed intending to watch at another time and I guess that time came yesterday. I just finished watching all your episode over 2 days and now I simply cant wait for more. Loooooove your content! Horrible fates are my favorite. It sounds a bit strange saying that videos about other peoples disasters to be my favorite but you know what I mean. XD Its all so interesting! Keep em coming! I will keep watching for sure!

love your diving content!

I subbed at 87k subs, awesome to see how you've grown Sean! 500k coming soon. 🙌

Ahh the rare instances where my job kills. Been sat diving for 9 years, deepest I've been is 791ft off the coast of California. Thanks shell!

Your narrating is the best! I found your channel couple weeks ago and I must have already binged all your uploads lol. Keep them coming 💯💯💯

This video is my favorite by far. Your ability to build suspense while maintaining a super chill calmness is your voice is amazing. ❤keep up the great content.

That last story... jeeze... imagine the guilt the pilot of the submersible lives it... being he was who got it wrapped in the cables in the first place.

I couldn't imagine being underwater freezing in a sub of sorts knowing if rescue doesn't hurry ur all gonna die just horrific af

Oh my Lord, these cases are truly horrific. I am terrified of the ocean and hearing things like this has to be most people’s worst nightmares.💛💛💛

Its sad most of these kinds of stories end in death, especially when it seems like there was so much hope and effort for the rescue

I get so excited when you upload new videos!!! Unreal channel and best audio/visuals on this subject matter imo. Thank you🎉🙏🔥

The music is always perfect with these super claustrophobic ones

I recently discovered this amazing channel and wanted to sincerely thank you for a truly fascinating and outstanding horror experience.

the last rescue attempt is unbelievable- just so much Incompetence and improper information what a nightmare

Yesssss thank you been waiting for your video!!!

Awesome another great way to start the Saturday, hope you have a good day Shaun/Shawn/Sean

18:00 ... maybe it's just because I am, and have been since I was in junior high - 1979 - a "Survivalist". Today, I would be called a "Prepper", but I still prefer "Survivalist". Although I lived in a semi-arid region of Southern California, people thought it was overkill that I stocked my truck with cold-weather survival gear along with desert survival gear, provisions/water. I had wool blankets, arctic sleeping bags, flare guns, stove w/fuel, all sorts of odd survival gear even though I lived in the suburbs of a major city. I often camped in the mountains or Mojave desert, but it was also the era of the Cold War when I had that truck. I kept Geiger counter and other fallout protective gear as well in the camper section of my truck. I was always prepared to head to bunkers I had built all throughout Southern Ca and out in the mountains in the desert - far away from fallout patterns... Sorry, got sidetracked... What this comment is about is the submersible running out of breathable air and the cold. Ever since Mylar blankets (which I did not have access to in the 80s) are so compact and the sub always has potential to get cold, I am surprised that the crew did not have such blankets in the first aid kit "just in case". Maybe it's my 40+ years of living as a survivalist type of thinking, but to dive a submersible like that sub, with additional research crew on board, I cannot comprehend how the sub captain allowed the others to wear shorts and t-shirts, as well as not triple-checking the air systems for the number of people on board. Sure, it was supposed to only be a short dive, but you always, always must plan for problems - no, I am not a pessimist, I simply believe in the adage "Hope for the best, plan for the worst". The sub is planning to retrieve traps that are near a sunken ship - anyone, not even a dive professional, knows that sunken vessels have all sorts of places to get hung up on, so a "short dive" should never have been planned without preparing for any problems they might encounter. I don't want to sound judgmental, but this crew became lax and overconfident in their dive that day. It was so "routine" that they overlooked the basics of triple-checking the submersible's systems... I don't consider this story to be an accident, it was outright negligence and avoidable if just a little more care had been taken during the preparation for the dive.

I live 20 minutes from the Annapolis Royal power dam in the first story. I never knew the full story. Very interesting to hear.

Hands-down, my favorite scuba diving stories channel!

Yes 🙌🏼 my day always gets better when u post new videos! Lots of other channels do the same as u but I can say IMO hands down ur channel is thee best!! 💙💜

So they were able to lower a fish trap down to the bottom without the submarine, but then needed a submarine to raise it back up? OK, I read the Coast Guard accident report, the sub apparently placed the trap to begin with and was retrieving it when the accident happened.

Love the diving and mountaineering stories !

well, you got a new story to add to these videos

Good timing!!! Something to listen to whilst doing dishes!!

The irony of watching this after the Titanic sub disaster.

Love your videos, keep it coming!

There are no videos I've watched on yt that make me in my bed feel more anxious or claustrophobic than yours. Kudos

You're so good at doing this, I hope you keep doing it for a good while ❤

The way these videos are always perfect 🥹

Here just in time for another awesome video!

I just love your videos. They're very interesting and educational and your narration is perfect. I just feel so terrible for so many dying in such horrific ways.

I can't imagine what the rescuers thought when they saw the survivors conversing and not replying.

I get anxiety just hearing about having to escape one by one through the emergency hatch. If they each had a small emergency airtank , about the size of a one liter bottle, with a few minutes of air, that would make escape odds so much better, especially if a whole section or the entirety of the sub/sea vehicle, needs flooding before any escape can be made.

really great video! diving in the deep sea is so full of dangers, i'm actually surprised to see that a Lot of the deaths i've learned about all stem from human errors or negligence. rest in peace to the victims and my condolences for the families they left behind. one thing i'd like to give feedback on, is how i think you speak a bit too fast for me to catch, even with subs on. i had to set the playback speed to 0.75x

Love this part of my morning when your vids come out

Bravo👏👏…I sat thru all the stories practically on the edge of my seat trying to control my claustrophobia but not doing that well, so I couldn’t breathe fully( not joking) going WHAT! over and over esp the last story..Johnson SeaLink …oh hella naw🙀then the fellows are pronounced dead and your melodious voice says it’s the end and you hope we all enjoyed it and leave a comment if we’d like 🫶🏻❤🫶🏻 loved it although my blood pressure seems to be higher now😂

18:15 judging by your description of what happened the pressure was not rising inexplicably, they were releasing high pressure gas from tanks into a confined space in order to breathe...the pressure was coming from the tanks

Thanks Sean, great video 👍

Idk how I got here but now I’ve subscribed and am obsessed. Thanks for making these videos!!

I recommend watching the Delta P training video for those that are curious (they also show the famous crab being sucked into a pipe video)

New subscriber here! Love this! ❤

Love your videos and the way you present your stories. Those kind of jobs come with that risk. Something that I would not be able to handle.