Nawww... it goes something like this....
Stupid Movie Goer: Oh look honey, there are empty seats right there. (points in front of me)
AAP: You can't sit there. Sorry.
Stupid Movie Goer: Why not?
AAP: Cause there is someone sitting there.
Stupid Movie Goer: Where? There's no one there.
AAP: the Invisible Family is sitting there.
Stupid Movie Goer: I don't see anybody.
AAP: That's because they are invisible. DUHHHH! (swift roll of my eyes)
Stupid Movie Goer: haha funny. (sits down in seat)
AAP: AAAAIIIEEEE!!!!! DUDE!! GET UP. YOU SITTING ON THE INVISIBLE KID!!!!!!!!!! HE'S WAVING HIS ARMS!!!!!!!!!!!! DUDE, GET UP!!!!!!
Stupid Movie Goer: Come on honey, this guy is crazy. (gets up and leaves)
AAP: (leaning over to stare in the empty seat in front of him) you okay bor?
trust me, it works everytime.