Join these fabulous friends, as they go deep into the sea on a submarine."Let's go on a submarine, and cruise beneath the sea, discovering strange creatures, who swim so fast and free." Get ready to climb into a submarine with these fun friends and cruise toward the seabed. With lots to spot and see, from brightly colored jellyfish, magical underwater cities, and even a shipwreck with treasure, there's no end to the excitement of a submarine trip.