BW089: Expedition to Onix Island!

Episode Plot
A relaxing day, fun in the sun, and a whole horde of Onix. Just a normal relaxing day for Ash and co. What starts off as a fun day on the beach turns into a quest for survival as they try to survive one Onix attack after another. To further complicate things, Dawn and Iris have been separated from the rest of the group. Will they find the guys again, and will Dawn's Piplup and Ash's Oshawott ever get along?