Gold Doubloon #4: Rock Bottom Museum – Clear out the creepy jellies in the museum, then look behind the paintings directly below the entrance. There’s a hidden doubloon here.

Coin #10 The final coin is in the Rock Bottom Museum, and SpongeBob fans should simply drop from the checkpoint, turn around, and walk behind the wall that is covered with paintings to claim it.

The final reference shows SpongeBob riding Mystery the Seahorse, a nod to season three episode 42, “My Pretty Seahorse.” In this episode, SpongeBob gets a pet seahorse and attempts to hide it ...