Episode Title:
The Principal and The Pauper.
Episode Description:
When a celebration is held at Springfield Elementary to honor his 20 years as principal, Principal Skinner is revealed to be an impostor when the real Principal, Sgt. Principal Skinner, shows up. The principal's real name is revealed to be Armin Tamzarian, an orphan from Capital City. Armin soon leaves to return to Capital City, and Sgt. Principal Skinner takes over as principal. However, many, including Agnes Skinner, soon decide they preferred the old Seymour. After persuading him to come back from Capital City to be Principal Skinner again, the townspeople send Sgt. Skinner out of town on a railroad.