It's rude to lock someone out of the house.
Reese is at home along with his brother who is playing in the backyard.
Reese wants to play a prank on his brother.
Reese surprises his brother by throwing a water balloon at him from the window.
Reese secures all the locks to the house while his brother is outside and then pretends not to hear his knocking.
Reese's brother is shocked at first but then has fun retaliating later.
Reese's brother panics and cries outside which turns to anger later when Reese reveals the prank.