Testing

Megaphone

Shockwave

Octopus in a tank

Bart plays with some megaphones. He gets an idea.

He lines up the megaphones so his voice will be very loud. He points them out the window.

Bart says "testing" into the megaphones. The sound is very loud. The window breaks and Bart is thrown backward.

The school bus windows break. The leaves are blown off the tree.

A shockwave travels through the town.

The windows of a pet shop are broken. The birds inside repeat the word "testing".

An octopus' tank is broken. The octopus jumps onto the scientist's face.

All of Homer's beer bottles break. Homer screams.