Transcript:
Charlie Brown stands next to the hose watering the lawn. He frowns and says,"Lawn sprinkling is a monotonous job!"
He walks off saying, "I think I'll try a system of my own...."
Patty approaches Charlie Brown, who is carrying a tray of ice. She asks,"What have you got there, Charlie Brown?"
She watches Charlie Brown tossing ice onto the lawn. He says,"Ice cubes! I scatter 'em on the lawn, and let 'em melt!"
Original comic:
That is the joke. Kids sometimes think they're being clever and avoiding work, only to make more work for themselves