42: The Answer to Almost Everything S01 E70 How It All Ends

The universe could be heading towards different scenarios, including the "Big Freeze" as it expands, cools, and disintegrates. Other possibilities include a collapsing universe (Big Crunch) or an accelerating expansion that eventually tears the universe apart (Big Rip). While many scenarios will take an unimaginably long time to occur, a sudden end cannot be ruled out.