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| Double-Time Battle Training!
Double Battle! Mammoo and Hinoarashi!!
|| December 10, 2009
| United States
|| May 1, 2010
Double-Time Battle Training! (Japanese: ダブルバトル！マンムーとヒノアラシ！！ Double Battle! Mammoo and Hinoarashi!!) is the 155th episode of the Diamond & Pearl series, and the 621st episode of the Pokémon anime. It first aired in Japan on December 10, 2009 and in the United States on May 1, 2010.
Still on their way to Dawn's next contest, the gang arrive in a small town hosting a different contest. Meeting up with Candice, the Snowpoint City Gym Leader, the gang watch as Zoey gains her fifth ribbon. Seeing her rival qualify for the Grand Festival makes Dawn eager to train for the upcoming Daybreak Contest. With Zoey and Candice's help, Dawn prepares for the required Double Performance, hoping to avoid the mistakes that led to her early exit from the Hearthome Contest. Meanwhile, Ash finds himself in a similar situation to Dawn as he learns that his rival has moved ahead of him too...
TV episode debuts