When the door bell rings and Murray tells Oscar he didn't give him permission to leave, Oscar in frustration raises his hand holding the toy gun. But when he answers the door, the gun is gone.
Correction: Oscar is still holding the gun when he opens the door, but it's almost completely covered by the baseball caps he's also holding. You can see the grip.
Correction: Oscar is still holding the gun when he opens the door, but it's almost completely covered by the baseball caps he's also holding. You can see the grip.