One of my favorite mascots during my formative years was the symbol of the 1984 Summer Games, Sam the Olympic Eagle:
I even still have the little PVC figures of him that I got when I was a kid...
It's only recently, though, that I discovered that Sam starred in a Japanese TV series! Or...a TV special. Or something. For some reason, we never got this in the USA. Which...well, it seems like we'd be a great target audience, doesn't it? Here are what seem to be the intro, outro, and something else (a clip? a commercial? a cold open?) for the Sam the Olympic Eagle anime.
You can also catch a complete episode at Dailymotion!