Pokemon Episode 422 - A Chip Off the Old Brock
Battle Frontier
| EP# | English title Japanese title | Air Date | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| J# | E# | Japan | |||||||||||||||||||||||||
| United States | |||||||||||||||||||||||||||
| 424/423 | 420 | "A Chip Off the Old Brock" (Mizugorou and Mokoko! The Wonder Drug of Love!?) "Mizugorō to Mokoko! Koi no Tokkōyaku!?" (ミズゴロウとモココ！恋の特効薬!?) | October 20, 2005 | September 16, 2006 |
| During a training battle against Ash's Grovyle, Brock's Mudkip evolves into a Marshtomp. Marshtomp, with its newly gained power, injures a nearby Flaaffy. Now Ash and the others must find a pharmacy and get medicine to heal the injured Flaaffy. | ||||
