Tepig beat Herdier with Flame Charge because of its Blaze Ability I'm guessing. Since it had taken so much damage, it would have activated eventhough no-one mentions it. Hence Flame Charge gets a Blaze boost + STAB, making it pretty powerful.
Was a great episode, it was good to finally see Tepig in the spotlight. 8/10
Currently Playing: Killzone 3, Atelier Rorona, LBP2
Upcoming: MotorStorm: Apocalypse, Brink, Uncharted 3
Currently Watching: FMA: Brotherhood, Spice and Wolf, Pokemon,