Sadly, the two links point to videos that state that video playback on other sites has been disabled by the owner. I've restored the two links below.
https://www.youtube.com/watch?v=TVMAdhkcyTc
https://www.youtube.com/watch?v=48GkAfMqGlU
That has become so popular with image sharing sites, not surprising to see that some people are now doing the same with their YouTube videos.