BW033: Ash and Trip's Third Battle!

Episode Plot
Still on the way to Nimbasa City, Ash and co. accidentally encounter Trip when he tries to capture a Palpitoad. The two then have a battle and Trip decides to use his Vanillite, Servine and Timburr. Who will win this time? And why is Iris afraid of Trip's Vanillite?

Trivia
Iris is revealed to have a fear of Ice-type Pokemon, the same way Misty has a fear of Bug-Type Pokemon.