Teacher in “Unfinished Business”

Now, students, you will have until the end of the period to finish your test on American Presidents, and remember… [points to her eyes; sternly] these eyes see all, so no cheating! [sweetly] Begin. [As Mac starts working on his test, he hears a boy whispering to his pen, which is then revealed to be an imaginary friend, and he whispers in return for the answers to every question; stares at Mac] Eyes forward, Mac. [Mac goes back to his test; takes the pen-shaped like imaginary friend out of the boy's shirt pocket, catching him cheating] Cheating of any kind will not be tolerated, even by an imaginary friend. [throws the imaginary friend pen in the confiscation closet] Now, everyone, back to your tests.