Rayquaza, Gyarados, and Ledyba will be making an appearance in an upcoming episode. Iris's Dragonite faces off against Clair's Shiny Druddigon. The preview does not mention which upcoming episode(s) these scenes take place in. The season will end on Sept. 26, 2013.
In the new Pocket Monsters XY scenes, Ash has Pikachu use Quick Attack against an unknown opponent. Froakie uses one attack by throwing its bubbles, and the other it uses is Water Pulse. Fennekin uses Ember, and Chespin uses what looks like possibly Leech Seed.