Gary Hall Jr. the playful dolphin.

They are sometimes created by playful dolphins and whales.

Another construction, three-dimensional waves, allows playful dolphins to soar above the water in a mesmerizing fashion.

The rugged inflatable craft planed over the seas like a playful dolphin.

When the Octonauts all pitch in to help save a sick coral reef, they get some unexpected help from a pod of playful dolphins.

The Octonauts get some unexpected help from a pod of playful dolphins.

He would plunge into a cloud and out the other side like a giant playful dolphin.

Those stars are upstaged by playful dolphins, ranging from the bottlenose to the dusky.

Also, a group of playful dolphins entertained us so much that we stopped the boat to watch them.

Eco-tourism based around the playful dolphins has now become a significant industry in Akaroa.