[Only once you snatch the pebble from her very sticky, childish hands will you truly understand the art of this 'teevee'.]

TV is this box with a screen on it. And you can watch stuff on the screen, like dolphins! But you can also watch gangsters taking revenge and it's all serious. TV is always fun!

[Not that her wonderful explanation needs expanding on at all, but just in case she draws two black boxes around the picture of the dolphin. Now it's on TV too!]