There's no episode 13…. That's the joke

This dude called it. Good job!

What did they say his job was?

I'm a little confused about one thing so if someone could clear it up for me that'd be great. Did the family who went off the cliff accidentally throw their baby in the fire and then had to pretend nothing happened with the log as the baby? That was so dark.

I really don't understand that line. Can someone explain?