The students' final message for Homer, "Goodbye Mr. S," spelled out in rocks and which he sees from inside a helicopter, spoofs the ending scene in the "M*A*S*H" finale.
Homer is recruited by the eccentric "owner of more for-profit colleges in the world" as a protege teacher, and subsequently flown to a secret remote island location (only accessible by helicopter) with an art-deco style house, that has modernized robotic technology and a vast security system.