The gang meet up with Dragon Buster Georgia who now has a Vanilluxe. They travel to the Ferroseed Institute to see the Moss Pokemon Ferroseed being studied. But when an accident means they have to evacuate, Iris and her Axew, Ash's Oshawott, and Georgia's Vanilluxe are trapped inside. Iris hasn't yet overcome her crippling phobia of Ice-Types, and she must find a way out with Vanilluxe.

Source: ITV.com