How can I watch all the old episodes?

I know this must be a recurrent question over here, but I take a good look and found none, how can I watch the old episodes?? (The ones with jeremy, hammond and may) I want to watch it all, all the seasons but I cannot find in anywhere over the internet. It would be fire if someone give me a light on this. I live in Brazil and some sites ain’t work here but every option is valid, preferably those u don’t need to pay iykwim. I counting with the help of u guys to watch the show that made my childhood happier