Tiny Bubbles - S3.E1

Fish is delighted by her discovery of a bubble. She plays with it and swims with it all the way to the surface where it suddenly pops and disappears. She spots another bubble and the same thing happens. Saddened by the disappearance of her short lived friends she's deter-mined not to let another bubble meet the same fate. But how will she keep them from reaching the surface?