People talk about the universe starting with a Big Bang, but how could we possibly know anything about an event that happened billions of years ago – before our planet was even formed?

You can get the full breakdown of the Young Sheldon / Big Bang Theory crossover episode below – but if you want to see what the Young Sheldon versions of the Big ...

This article was originally published on theparentwatch.com as Young Sheldon parent guide: Should you watch The Big Bang Theory spin-off with kids?.