Pushing the boundaries aren't you Roy?
It's possible, but you'll need to buy some kit, and I'm not sure if streaming will be the best option. First, you'll need some kit that allows you to play digital files on your tv. I have one of
these. It's wifi ready, in that it'll take a dongle to hook up to your network, but I'm not convinced that's the best option. It's likely to stutter if your network can't cope. It also has two USB ports so you can hook up an external USB drive (which is what I do). Take the USB drive up to your computer, hook it up and copy the content over, then run down, and plug it into the player and watch it on your telly.
I've got 200 odd films on a 1tb drive hooked up to the WD TV. It's only half full