Here is everything you could ever want, probably. There are two archives (first one is more complete, but everything is divided by year, second is all in one directory and only videos).
https://archive.org/details/TerryADavis_TempleOS_Archive/
https://archive.org/details/TempleOSYouTubeVideos/
Where is that specific clip? Somewhere.

Terry taking down Linus:
https://social.076.moe/url/217578

Here is one about why TempleOS is better than Linux:
https://social.076.moe/url/217579