If they traced the robots here, they may have learned who they sold them to, and that would lead them back...home!

Skybalon's Wife- We should go see a movie right now.
Skybalon- What do you want to see?
Skybalon's Wife- Brokeback Mountain
Skybalon- Really? I really want to see it.
Skybalon's Wife- Yeah, me too.
Skybalon- Does that make us gay?
Skybalon's Wife- Well, one of us.
Skybalon- That's going on the blog