Bottoms up.

"Zat a fish? Woah...it's a fish."
"Nah, it's a stick."
"Here try looking through these shades. They'll have a polarising effect so you can see through the water."
"Thanks Uncle Dennis."
"Now don't let them fall in the water. Whatever you do."

There was no splosh, so all was well.
Family over. So took 'em to Hamsterly Forest. Ace.