TOS: The Return of the Archons
LANDRU:The good of the Pants is the Prime Directive.
SPOCK: The good of the Pants, Captain. That's the key.
KIRK: Yes. What is the good?
LANDRU: I am Landru.
KIRK: Landru is dead. You are a machine. A question has been put to you. Answer it.
LANDRU: The good is the harmonious continuation of the Pants. The good is peace, tranquillity. The good of the Pants is the directive.
KIRK: Then I put it to you that you have disobeyed the Prime Directive. You are harmful to the Pants.
LANDRU:The good of the Pants is the Prime Directive.
SPOCK: The good of the Pants, Captain. That's the key.
KIRK: Yes. What is the good?
LANDRU: I am Landru.
KIRK: Landru is dead. You are a machine. A question has been put to you. Answer it.
LANDRU: The good is the harmonious continuation of the Pants. The good is peace, tranquillity. The good of the Pants is the directive.
KIRK: Then I put it to you that you have disobeyed the Prime Directive. You are harmful to the Pants.