When the guppies broke Mr Grouper's rule for throwing balls in the house the guppies sadly runs away and hide in the big city.
(The episode starts off with the guppies outside.)
Molly: "Batter up."
(She throws the ball to Gil he bats it but then they hear glass shattering.)
Nonny: "What was that."
Goby: "That was the window."
All: "Darn it."
Gil: "Three two one."
Mr Grouper: "Guppies.Come in here this instant."