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Android, and Echo devices. What's up, Smarty Pants? Question, do you have any siblings?

If you do, do you get along with them? Yeah, it's not easy. I'm about to visit my niece and nephew.

And I gotta say, for a brother and sister, they get along really well.

Maybe I'll get them to share their secret for always getting along. Come on, let's go find them.

You're tall stupid. Mine's awesome. No, yours is stupid. No, uh, mine's the best. No, mine is.

Mine is. Mine. Mine. Whoa, whoa, whoa. Jacob, Olivia, are you fighting? He's making fun of my doll.

He says it's lame. Yeah. Because it is. No, my doll's pretty. Yours is ugly. Whoa, whoa,

that's not nice. Plus, you're embarrassing me in front of my friends. Sorry, Uncle Jay.

What dolls are we even talking about? My Barbie. Lame. How can she be lame? She has a dune buggy?

A surfboard? And a dreamhouse with an elevator.

Yeah, while my GI Joe has a remote control Jeep with a rocket launcher that she's actual rockets.

Whoa, you could shoot your eye out with that thing. Don't worry. Mom hid the rockets.

Good. No, let's see if I can solve your problem. Tell him that Barbie's the best. No, tell her that

GI Joe is the best. What if I told you both you're both right and that they're both the best?

Huh? That's right. But first, we need to understand where Barbie and GI Joe even came from.

Who thought up these kinds of toys? And how have they evolved? It's time for another whiff of science

and history on... Who smarted? Who smarted? Who smart is it you? Is it me? Is it science or history?

Listen up. Everyone, we make smart and lots of fun on who smarted?

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