A Warner Bros. partnership sends him from reading to a roller coaster, with saliva samples along the way.
Mark Rober has 84,400,000 subscribers and 19,597,986,345 views in all, as of October 24, 2026. In the last 7 days it gained 300,000 subscribers and 132,314,892 views. Its most watched video of the last 30 days is "You Have Spiders on Your Face RIGHT NOW!", with 2,535,949 views. By subscribers it is No. 3 of the 5,387 channels on Trari, and No. 1 of 87 in Science and experiments.
The overall chart ranks the most watched videos of all categories together: every day, every week and every month. A trophy goes to a video that reached No. 1, 2 or 3. To the chart ›
No trophy yet (one of the top three places)
Each category, such as music, entertainment or sports, has its own chart. A medal goes to a video that reached No. 1, 2 or 3 on it.
The daily charts are counted since October 16, 2026.
October 22, 2026 2.2x the channel's usual pace The whole channel ran that day at 35,665,111 views a day, 2.2 times a normal day (16,239,628).
A Warner Bros. partnership sends him from reading to a roller coaster, with saliva samples along the way.
His sole new upload trades elaborate challenges for crunching sounds, while viewers spare a thought for the retro televisions.
Eight days old, the $10,000 challenge is gathering views about five times faster than a summer video about a lost plane.
Last Cheater Standing Wins $10,000
| Among all channels on Trari | In the category Science and experiments | |
|---|---|---|
| By subscribers | 3 of 5,387 | 1 of 87 |
| By views gained this week | 32 of 5,295 | 1 of 87 |
The ranking by views counts only channels whose weekly number is available.
September 26, 2026: 83,000,000 subscribers → October 24, 2026: 84,400,000 subscribers
September 26, 2026: 19,114,972,466 views → October 24, 2026: 19,597,986,345 views · average: 17,250,495 views a day
The last 15 videos uploaded to the channel, with today's numbers. Click a video to play it here.
| Video | Uploaded | Length | Views | Per day | First day | Likes | Comments |
|---|---|---|---|---|---|---|---|
Can You Scientifically Measure Fun? | October 21, 2026 | 1:21 short | 530,838 | 54,794 | 389,858 | 15,153 | 197 |
4 Levels of Satisfying Crunches | October 9, 2026 | 1:04 short | 991,672 | 11,681 | 503,821 | 28,876 | 544 |
You Have Spiders on Your Face RIGHT NOW! | September 30, 2026 | 0:55 short | 2,535,949 | 20,729 | 600,014 | 36,958 | 309 |
Last Cheater Standing Wins $10,000 | September 19, 2026 | 34:23 | 29,805,363 | 194,734 | - | 400,555 | 4,946 |
Chivalry or Engineering? | September 18, 2026 | 0:58 short | 5,266,520 | 49,174 | - | 113,440 | 431 |
Why Do People Pass Out On Roller Coasters? | August 28, 2026 | 0:45 short | 8,428,016 | 44,068 | - | 128,358 | 476 |
Why the Moon Never Changes | August 14, 2026 | 1:03 short | 7,800,213 | 11,940 | - | 175,280 | 1,172 |
$100 Slime Challenge | August 12, 2026 | 0:39 short | 8,695,234 | 16,810 | - | 107,569 | 282 |
Lowest Heart Rate Wins! | July 30, 2026 | 0:43 short | 11,603,477 | 15,244 | - | 177,949 | 564 |
Stop Your Car From Getting Stolen! | July 16, 2026 | 1:01 short | 1,884,940 | 2,952 | - | 44,360 | 352 |
I Discovered a Lost Plane | July 10, 2026 | 0:52 short | 35,166,011 | 122,392 | - | 298,643 | 711 |
How To Crush an Egg with Your Bare Hand | July 1, 2026 | 1:07 short | 3,210,141 | 7,378 | - | 84,435 | 585 |
3 Levels of Car Theft | June 25, 2026 | 1:27 short | 7,059,144 | 8,695 | - | 185,275 | 761 |
I Outsmarted Pro Car Thieves | June 20, 2026 | 25:20 | 27,613,508 | 62,489 | - | 592,412 | 10,360 |
Do YouTubers know about the Magnus Effect? | June 11, 2026 | 0:33 short | 9,735,634 | 6,604 | - | 172,955 | 596 |
| Video | Uploaded | Length | Views |
|---|---|---|---|
World's Largest Jello Pool- Can you swim in Jello? | May 16, 2019 | 10:28 | 223,850,776 |
Skin a Watermelon Party Trick | August 31, 2015 | 2:52 | 155,451,221 |
Egg Drop From Space | November 25, 2022 | 26:57 | 152,591,296 |
Liquid Sand Hot Tub- Fluidized air bed | November 28, 2017 | 9:09 | 150,797,494 |
Backyard Squirrel Maze 1.0- Ninja Warrior Course | May 24, 2020 | 21:40 | 147,854,257 |
| Video | Uploaded | Length | Views |
|---|---|---|---|
I NEED 1 MORE SUBSCRIBER! | February 13, 2024 | 0:38 | 1,270,491,093 |
This Slinky Can Walk Forever! | November 28, 2024 | 1:15 | 636,769,774 |
World’s Largest Jello Pool | July 25, 2024 | 1:00 | 618,947,376 |
3 Levels of Elephant Toothpaste | November 22, 2025 | 0:36 | 359,399,299 |
Turning An Egg Into A Bouncy Ball | January 30, 2025 | 1:00 | 328,666,775 |
The days when the channel's numbers left the ordinary.
A Warner Bros. partnership sends him from reading to a roller coaster, with saliva samples along the way.
His sole new upload trades elaborate challenges for crunching sounds, while viewers spare a thought for the retro televisions.
Eight days old, the $10,000 challenge is gathering views about five times faster than a summer video about a lost plane.