The Simpsons can go anywhere in the world and not worry about any budgetary issues. However, even when the show has had its run, I think the characters can go on in perpetuity.
“You know I don't think we need the Republicans to steal family values from us.”
“There are only two ways to remove the president - if he violates the constitution or commits high treason. How could anyone accuse me of treason after I had terminated Israel's occupation of South Lebanon in 2000.”