Just... watch it, if you can.

Wait for the 1:26 mark to see the twist you totally won't see coming 100 miles away:

There's so much to say about this, but honestly, I feel like the dad's expression says it all:

"Yeah, for sure, I'm totally okay with allowing my kids to get brainwashed so deep into relativism that basic biology doesn't exist anymore. I'm not being pressured into compliance against my will. At all."

All I can say is, if you were planning on watching a scary Halloween movie... you're welcome.