Multi-talented sensation Lilly Singh goes undercover as a strange substitute teacher in this hidden camera show. As The Substitute, Lilly will push the students of Woodrow Wilson Middle School to their limits with her bizarre behavior.

This insider special explores how comedian, Lilly Singh, went undercover as The Substitute to prank a group of unsuspecting students. Pop-up bubbles feature show trivia and behind-the-scenes secrets that reveal the making of this epic prank.