A hidden camera prank show where Nickelodeon superstar Jace Norman (Henry Danger) is transformed by a team of special effects artists to go undercover as a substitute teacher to surprise a class of unsuspecting students.

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.