Professor enters the classroom the same way every day. Hello!

Steven Tyler of Aerosmith sings with a street musician in Moscow, Russia.

Instant karma strikes when this guy teases a Pug.

The weirdest intro for 'The Simpsons' you will ever see.

Squirrel takes milkshake out of the trash but not before removing the straw.

Dash cam captures plane making an emergency landing on Red Hill Avenue in Irvine, California.