Pokémon: Black & White Rematch at the Nacrene Gym!

Ash trains with Tepig and Oshawott at the Nacrene City Battle Club, trying to teach them more powerful moves. After successfully teaching them Flame Charge and Aqua Jet, he challenges Lenora for the Basic Badge once more. But Lenora’s Lillipup has evolved into a Herdier since the last fight. Ash sends out Tepig against Herdier and he is able to hold his own against the powerful Pokemon until Herdier uses Roar to force Oshawott out again., Ash decides to train at the Pokemon Battle Club in order to prepare for a rematch with Lenora.