Something fishy is going on when a great white shark gnaws on the Miptorian spaceship with its razor-sharp teeth! Captain Rip Rayon and his alien crew are looking forward to a day at the beach but instead stumble into the world of super sleek sharks! Their adventure includes: Electrifying news about shark super-senses; Why sharks don"t have bones but do have unbelievable teeth - ouch! A rare encounter with the biggest fish on the planet; Close-up looks at baby sharks just learning to swim. This alien adventure shows that some things that seem scary can really be sensational! Sign on for SHARK-A-THON - just one of the AMAZING PLANET adventures available from National Geographic Kids Video.