Re:Adam & Jamie - Friendship? (Score 1)

It's about Australian as the vegemite in your sandwich.

It's made in America, by Americans, starring Americans. A casual look at The Wiki will tell you so.

The reason there's an Australian accent over the top is probably because you're watching it in Australia, where, because they've dubbed the narrative, the broadcaster is allowed to classify it as "local content"

I saw Mythbuster's dubbed in Spanish and it took me a little while to put the pieces together as well.