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AG147 : Sweet Baby James
Advanced Generation series
AG149 : Wheel of Frontier
A Chip Off the Old Brock
AG148   EP422
Mizugorou and Mokoko! Wonder Drug of Love!?
First broadcast
Japan October 20, 2005
United States September 16, 2006
English themes
Opening Battle Frontier
Japanese themes
Opening バトルフロンティア
Ending ポケモンかぞえうた
Animation Team Ota
Screenplay 藤田伸三 Shinzō Fujita
Storyboard 井硲清高 Kiyotaka Itani
Assistant director 中村圭三 Keizō Nakamura
Animation director たけだゆうさく Yūsaku Takeda
No additional credits are available at this time.

A Chip Off the Old Brock (Japanese: ミズゴロウとモココ!恋の特効薬!? Mizugorou and Mokoko! Wonder Drug of Love!?) is the 148th episode of the Advanced Generation series, and the 422nd episode of the Pokémon anime. It was first broadcast in Japan on October 20, 2005 and in the United States on September 16, 2006.

201 Spoiler warning: this article may contain major plot or ending details. 201


The episode starts with Ash training his Grovyle together with Brock and his Mudkip. Grovyle starts using Bullet Seed, but Mudkip dodges it. Ash attacks with Leaf Blade, which makes a direct hit on Mudkip and it starts to evolve into Marshtomp. Then, Marshtomp attacks Grovyle with Mud Shot but Grovyle dodges it and it hits a Flaaffy.

Brock offers to help, but Mariah the owner of the Flaaffy did not accept it and instead she ran to her Grandma Cadee's drugstore. Grandma Cadee gives Flaaffy a medicine and all its wounds were healed. Ash and Brock immediately apologize and introduce themselves. Then, Brock and Marshtomp hold Mariah and Flaaffy's hands and show attraction. However, Max and May jump in and pull the lovesick twosome away. Then, a guy named McCauley and his Ampharos come and show his energy medicine to Cadee but McCauley didn't mix the Cheri Berry well, and Cadee says that she can't sell it. McCauley is very disappointed hearing that from Grandma Cadee. Then, Team Rocket plan to steal the medicines in the drugstore.

Cadee told McCauley to mind the drugstore while she makes medicine. May, Max and Brock go with Cadee and Mariah, while Ash and Pikachu train for their next Frontier battle. Then, Cadee mixes some ingredients and Brock takes some notes as they watch Cadee make medicine. When all the ingredients are mixed Cadee puts it into a bottle and uses her Mareep's electricity to purify the medicine.

Back at the drugstore, Jessie and James disguise themselves as an old man and a lady, while Wobbuffet and Meowth are inside a Snorlax costume. Then, Team Rocket steal and put all of the medicine in the Snorlax costume, but McCauley saw that Meowth and Wobbuffet were inside and that it isn't a real Snorlax. Team Rocket run away with the medicine, but Ash sees them and commands Grovyle to use Bullet Seed to stop them. Team Rocket don't give the medicine to McCauley, so Brock tells Marshtomp to use Mud Shot, and Team Rocket falls to a boat and are carried to a waterfall.

During the night, Brock combs Marshtomp and tells him that together with Mariah and Flaaffy they will be good couples. Then, Ash sees electricity at the drugstore so they go there. Inside is Ampharos and McCauley practicing to make medicine but the bottle bursts because of too much electricity. May tells him that it is too late to practice, but McCauley says that he wants to be as good as Cadee. Then, he tells everyone a story about when Mariah and him were just little kids and watching Cadee make medicine. He wants to be good in making medicine but he always fails. Doctor Cadee comes and tells him that he lacks self confidence and results in failure. McCauley commits to be more confident of himself while suddenly Team Rocket lifts the drug store off the ground. Everyone escapes in time, but they realize that Mariah and Flaaffy are still trapped inside the store. While Team Rocket recites their motto, McCauley climbs up another house with Ampharos and they both jump inside the open store door. In realization of his attempt, Jessie commands Meowth to "rock their socks off", and Meowth uses the hot air balloon's controls to "shake, rattle, and roll". Because of this, the shelf inside the store rocks and falls down, destroying most of the medicines.

Meanwhile, Ash and co. are following the hot air balloon and Marshtomp uses Mud Shot to shoot it down. Meowth retaliates by deploying a protective dish that sends the shots right back to them, injuring both Pikachu and Mareep. Cadee quickly asks for some Electric Pokémon medicine to heal the Pokémon but Mariah and McCauley inform her that every medicine got smashed. Cadee is angered at this, and Team Rocket only respond by laughing at her nonsense bickering. James's Mime Jr. jumps up to the balloon's controls and starts playing with them happily, making the balloon and the store rock even more. McCauley spots two remaining medicines that weren't destroyed, and wonders if he mixed them together they would heal Electric Pokémon. He decides they must take action quickly and that there is no choice. Ampharos, with all his electric might appears to be struggling mixing the medicines, so Flaaffy joins in, but before they are done Team Rocket fixes the balloon Mime Jr. had previously wrecked. Instantly, McCauley throws the newly made medicine to Cadee. She heals Pikachu and Mareep and they both deploy a ferocious Thunder. Meowth releases once again the dish and sends the attack directly at them, but they dodge in time. Inside the floating store, Ampharos and Flaaffy use the same attack to successfully destroy the balloon engines and make the ship crash down. On ground, Mariah, McCauley, Ampharos, and Flaaffy escape the store to leave Ash and his friends to fight Jessie's Seviper and James's Cacnea. Cacnea attacks and Seviper uses Poison Tail while Marshtomp uses Water Gun to crash both of the Pokémon into Team Rocket. Ampharos and Flaaffy use Thunder to immobilize Team Rocket while Pikachu and Mareep use Thunder to send Team Rocket blasting off again. Mariah realizes that McCauley's confidence was the reason they defeated Team Rocket, and Cadee, seeing this, gives the store to them. Brock and Marshtomp are let down. A few days later the store is shown redesigned by their new owners and the final scene shows Ash and his friends saying goodbye to Cadee and her family.

Major events

For a list of all major events in the anime, please see the timeline of events.


Pokémon debuts






  • May's Pokédex incorrectly refers to Marshtomp as the Mud Pokémon instead of the Mud Fish Pokémon.
  • Max incorrectly calls Mud Shot an Earth-type attack. However, this error was corrected for all subsequent airings.
  • In one of the scenes shortly after Flaaffy was healed, Ash's gloves were skin-toned, making it appear as if he only had green wristbands on.
  • When Mime Jr. was pushing the buttons, it sounded like its evolved form, Mr. Mime.

Dub edits

In other languages

AG147 : Sweet Baby James
Advanced Generation series
AG149 : Wheel of Frontier
Project Anime logo.png This episode article is part of Project Anime, a Bulbapedia project that covers all aspects of the Pokémon anime.