Captain Underpants and his friends found a treasure map.
They sailed across the ocean in their pirate ship.
They battled sea monsters and discovered a secret island.
They solved puzzles and faced dangerous traps in search of treasure.
Finally, they found the treasure chest filled with gold and jewels.
They divided the treasure and shared it with their families.
Everyone celebrated their great adventure and new friendships.
Captain Underpants and his friends were heroes once again.
They couldn't wait for their next exciting adventure together.
