The Day Henry Met…A Mop and Bucket

Henry visits an aquarium where he meets Mop and Bucket. They explain the role of an aquarist and the importance of water quality for marine life. When the aquarist is unavailable, Henry steps in to help care for the animals and prepare the exhibits. He learns to test water quality and feeds various marine creatures. The highlight is the unveiling of a giant hammerhead shark exhibit. After completing his tasks, Henry bids farewell to his new friends.

What is the process for testing the water quality in the aquarium?

What is the Super Secret Star exhibit and what animal does it feature?

How did the giant hammerhead shark react to Henry's cleaning efforts?