It started because SpongeBob was sick with the Suds again, and the mail was piling up like a mountain of soggy kelp. Patrick, seeing his best friend in distress, didn't just take the mailbag—illegally, mind you—he took an oath.
But as the day wore on, the "Starfish System" began to unravel. Patrick realized that the letters had addresses on them, which he interpreted as "suggestions." He began sorting mail by flavor. The pink envelopes looked like strawberry, so he delivered them to the local candy shop. The blue ones looked like the ocean, so he threw them back into the sea to "return them to their families." [S13E18] Patrick The Mailman
By noon, the Postmaster—a very stressed-out turtle named Sheldon—caught wind of the rogue mailman. He found Patrick in the middle of the street, attempting to "deliver" a stop sign to a confused pedestrian. It started because SpongeBob was sick with the
"Always lick the stamps," Patrick said, sticking out a tongue that was now permanently stained a neon, adhesive blue. Patrick realized that the letters had addresses on
"Neither snow, nor rain, nor heat, nor Gloom of Pelagic Darkness," Patrick whispered, tripping over his own oversized shorts, "shall stay these messengers from the swift completion of their... sandwiches."
"Well," Patrick said, wiping a bead of sweat from his forehead. "At least I didn't forget the most important rule of the mail." "Which is?" Sheldon demanded.
"Star!" Sheldon barked. "You’re not a licensed carrier! You’ve sent the Mayor’s tax returns to a jellyfish field and delivered a box of live sea-urchins to the local retirement home!"