Not sure if this has been posted yet but I figured I'd ask anyways. I have several TV Shows that I purchased a while back that aren't in HD. Shows such as Futurama, Saved By The Bell, etc. and on my Apple TV (which I just got last night and love btw) they don't fill up my widescreen. They are in the 4:3 aspect ratio and not 16:9. Is there any way to make it fill up my screen that I am not seeing? I know it is possible because I do it on my PS3, but idk if Apple has it in the AppleTV settings.
In the USA, by definition, "Standard Definition" has a 4:3 aspect ratio, just like the old, analog, NTSC broadcast.
Standard-definition Television on Wikipedia.
"Stretching" will display the same number of lines, but each line will be stretched out, making circles in the original image look like ovals on your screen, and squares like rectangles. Faces and people in general will look completely out of proportion.
"Zooming" will act like a zoom lens of a camera. The image will fill the screen, the proportions will remain the same (circles remain circles, etc.), but you will lose image content off the top and bottom of the screen.
I don't think the Apple TV has a control for this, as it was designed from the start to use HDTVs.
4:3 content will be around for a VERY long time. As others said, with stretching and zooming, you are always losing something from the original image, be it proper proportions, or image.

