Hippo Sings, The Lion Sleeps Tonight, Video. This was one of the very first video I ever saw on the intra web. I was a very late bloomer to the Youtube action. This video is at 5 million views. I watched it a few times and still like it. The Hippo and Dog are sworn enemies. This video is proof. Please enjoy this, Hippo Sings, The Lion Sleeps Tonight, Video.