The Final Episode Of 'Serial', According To Funny Or Die

18/12/2014 11:54 GMT | Updated 18/12/2014 11:59 GMT

It's the podcast that's gripped the nation. And elsewhere.

But now 'Serial' is reaching its climax. Today, in fact.

So who did it?

Allow Funny Or Die - and Michaela Watkins as Sarah Koenig - to explain.