For me, it's familiar and not so hard to identify. Latin characters for Central and Eastern European languages are covered under the Pro fonts.

YouTube Sans. I'm currently unable to locate the blog post for now, since a link is required for proposals, but this is used as a branding font and is generally not available for download.

The post above concerns a different font identification topic.

I know I've looked through thumbnails of that same channel and knew it by myself the whole time. No mistake here.

Also try EA Sports Covers SC for an extended character set and kerning.

Should be a given with this one. Bold from Monotype with only capitals, 4 weights from Font Bureau including lowercase.

Closest I know of, so maybe who designed this logo didn't know this font's name either and replicated it themselves.

I put another sample of this font on WhatTheFont and got this a few weeks back.

For the others.

For the name. Accents are clipped in this preview.

faux bold and italic for this one.

Based on Eagle Bold.
From Monotype, it only has capital letters and the bold weight, but it is cheaper.
From Font Bureau, it is contained in a family of 4 fonts and includes lowercase letters. The space is also a few points shorter.

Does the design look familiar? If you replace the dot in the i with a heart, the text matches.

This is a screenshot with the thumbnail. Apparently YouTube doesn't allow you to give an image link to the thumbnail itself. If you attempt to do it, it'll only generate the preview which is actually a GIF file, only with higher resolution.
It should say "Slow Motion", but the duration covers up some of the bottom-right area of the thumbnail.

They were hand-lettered by the company