Sheldon Cooper (Jim Parsons), Rajesh Koothrappali (Kunal Nayyar) and Leonard Hofstadter (Johnny Galecki).

That's it for The Big Bang Theory, folks. Or, rather, it will be come 2019, at which some point the 12th season will wrap up and we'll say goodbye to those lovable nerds.

The big bad news was announced jointly today by all the bigwigs involved.

You'd better believe it'll live on forever through one of the streaming services — most likely CBS All Access, though anything is possible. Even Sheldon.