Episode List

Ep #	Title	First Aired
OI4 1	OI4 1 Fierce Fighting! Pokémon Doll Festival げきとう！ポケモンひなまつり Princess vs. Princess First Aired: 1998-07-09	1998-07-09
OI4 2	OI4 2 It's Children's Day, Everyone Gathers こどものひだよぜんいんしゅうごう The Purr-fect Hero First Aired: 1998-07-09	1998-07-09
OI4 3	OI4 3 The Heat is on! Guren Gym! もえろ！グレンジム！ Riddle Me This First Aired: 1998-08-13	1998-08-13
OI4 4	OI4 4 Decisive Battle! Guren Gym! けっせん！グレンジム！ Volcanic Panic First Aired: 1998-08-20	1998-08-20
OI4 5	OI4 5 Island of Kamex カメックスのしま Beach Blank-out Blastoise First Aired: 1998-08-27	1998-08-27
OI4 6	OI4 6 Hanada Gym! Underwater Battle! ハナダジム！すいちゅうのたたかい！ The Misty Mermaid First Aired: 1998-09-03	1998-09-03
OI4 7	OI4 7 Pippi VS Purin ピッピVSプリン Clefairy Tales First Aired: 1998-09-10	1998-09-10
OI4 8	OI4 8 Tokiwa Gym! The Final Badge! トキワジム！さいごのバッジ！ The Battle of the Badge First Aired: 1998-09-17	1998-09-17
OI4 9	OI4 9 The Barrierd of the Pokémon Circus ポケモンサーカスのバリヤード It's Mr. Mime Time First Aired: 1998-09-24	1998-09-24
OI4 10	OI4 10 An Iwark Bivouac イワークでビバーク Snow Way Out! First Aired: 1998-10-05	1998-10-05
OI4 11	OI4 11 Rival Showdown! The Okido Laboratories ライバルたいけつ！オーキドけんきゅうじょ Showdown at the Po-ké Corral First Aired: 1998-10-08	1998-10-08
OI4 12	OI4 12 When Yadon Becomes Yadoran ヤドンがヤドランになるとき The Evolution Solution First Aired: 1998-10-15	1998-10-15
OI4 13	OI4 13 Legend of the Surfing Pikachu なみのりピカチュウのでんせつ The Pi-Kahuna First Aired: 1998-10-22	1998-10-22
OI4 14	OI4 14 The Kusaihana of the Botanical Garden しょくぶつえんのクサイハナ Make Room for Gloom! First Aired: 1998-10-29	1998-10-29
OI4 15	OI4 15 Pokémon the Movie! ポケモン・ザ・ムービー！ Lights, Camera, Quack-tion! First Aired: 1998-11-05	1998-11-05
OI4 16	OI4 16 Nyarth's ABCs ニャースのあいうえお Go West Young Meowth First Aired: 1998-11-12	1998-11-12
OI4 17	OI4 17 Enter Elite Four Shiba! してんのうシバとうじょう！ To Master the Onixpected First Aired: 1998-11-19	1998-11-19
OI4 18	OI4 18 Fierce Battle! Pokémon of Yore げきとつ！ちょうこだいポケモン The Ancient Puzzle of Pokémopolis First Aired: 1998-11-26	1998-11-26
OI4 19	OI4 19 Garagara's Bone Club ガラガラのホネこんぼう Bad to the Bone First Aired: 1998-12-03	1998-12-03
OI4 20	OI4 20 Fire! Pokémon League Opening Ceremony! ファイヤー！ポケモンリーグかいかいしき！ All Fired Up! First Aired: 1998-12-10	1998-12-10
OI4 21	OI4 21 The Pokémon League Begins! The Water Field! ポケモンリーグかいまく！みずのフィールド！ Round One—Begin! First Aired: 1998-12-17	1998-12-17
OI4 22	OI4 22 The Ice Field! Flame Battle! こおりのフィールド！ほのおのたたかい！ Fire and Ice First Aired: 1998-12-24	1998-12-24
OI4 23	OI4 23 The Grass Field! A Surprisingly Strong Opponent! くさのフィールド！いがいなきょうてき！ The Fourth Round Rumble First Aired: 1999-01-01	1999-01-01
OI4 24	OI4 24 The Arrival of a Rival! ライバルとうじょう！ A Friend in Deed First Aired: 1999-01-07	1999-01-07
OI4 25	OI4 25 Sekiei Stadium! VS Hiroshi! セキエイスタジアム！VSヒロシ！ Friend and Foe Alike First Aired: 1999-01-14	1999-01-14
OI4 26	OI4 26 Pokémon League! Final Battle! ポケモンリーグ！さいごのたたかい！ Friends to the End First Aired: 1999-01-21	1999-01-21
OI4 27	OI4 27 Masara Town! Setting off on a New Trip! マサラタウン！あらたなるたびだち Pallet Party Panic First Aired: 1999-01-29	1999-01-29
OI4 28	OI4 28 Airship Hardship!? ひこうせんはふこうせん!? A Scare in the Air First Aired: 1999-02-04	1999-02-04
OI4 29	OI4 29 Pokémon of the South and the GS Ball なんごくポケモンとＧＳボール Pokéball Peril First Aired: 1999-02-11	1999-02-11
OI4 30	OI4 30 Save Laplace! ラプラスをたすけろ！ The Lost Lapras First Aired: 1999-02-18	1999-02-18
OI4 31	OI4 31 Orange League! Natsukan Gym! オレンジリーグ！ナツカンジム！ Fit to Be Tide! First Aired: 1999-02-25	1999-02-25
OI4 32	OI4 32 Mystery of the Missing Pokemon! きえたポケモンたちのナゾ！ Pikachu Re-Volts First Aired: 1999-03-04	1999-03-04
OI4 33	OI4 33 The Crystal Iwark クリスタルのイワーク The Crystal Onix First Aired: 1999-03-11	1999-03-11
OI4 34	OI4 34 Island of the Pink Pokemon ピンクのポケモンじま In the Pink First Aired: 1999-03-18	1999-03-18
OI4 35	OI4 35 The Secret of Kabuto's Fossil! カブトのかせきのひみつ！ Shell Shock! First Aired: 1999-03-25	1999-03-25
OI4 36	OI4 36 Goodbye Koduck! Return Again Golduck? さよならコダック！またきてゴルダック? Bye Bye Psyduck First Aired: 1999-04-08	1999-04-08
OI4 37	OI4 37 Sailing Joy! Cross the Stormy Sea! セイリングジョーイ！あらなみをこえて！ The Joy of Pokémon First Aired: 1999-04-15	1999-04-15
OI4 38	OI4 38 Navel Gym! Snow Mountain Battle! ネーブルジム！ゆきやまのたたかい！ Navel Maneuvers First Aired: 1999-04-22	1999-04-22
OI4 39	OI4 39 Big Eater Kabigon! Big Panic! おおぐいカビゴン！だいパニック！ Snack Attack First Aired: 1999-04-29	1999-04-29
OI4 40	OI4 40 The Ghost Ship and the Ghost Pokemon! ゆうれいせんとゆうれいポケモン！ A Shipful of Shivers First Aired: 1999-05-06	1999-05-06
OI4 41	OI4 41 The Great Nyarth's Island!? おニャースさまのしま!? Meowth Rules! First Aired: 1999-05-13	1999-05-13
OI4 42	OI4 42 Strike - A Warrior's Pride ストライクせんしのほこり Tracey Gets Bugged First Aired: 1999-05-20	1999-05-20
OI4 43	OI4 43 It's the Southern Islands, Everyone Gathers! みなみのしまだよぜんいんしゅうごう！ A Way Off Day Off First Aired: 1999-05-27	1999-05-27
OI4 44	OI4 44 Nidoran's Love Story ニドランのこいものがたり Wherefore Art Thou, Pokémon? First Aired: 1999-06-10	1999-06-10
OI4 45	OI4 45 The Little Coil on the Prairie! だいへいげんのコイルたち！ Git Along, Little Pokémon First Aired: 1999-06-17	1999-06-17
OI4 46	OI4 46 The Monster in the Underground Tunnel!? ちかどうのかいぶつ!? The Mystery Menace First Aired: 1999-06-24	1999-06-24
OI4 47	OI4 47 Yuzu Gym! Type Battle 3 VS 3!! ユズジム！タイプバトル３VS３!! Misty Meets Her Match First Aired: 1999-07-01	1999-07-01
OI4 48	OI4 48 Pikachu VS Nyarth!? ピカチュウVSニャース!? Bound for Trouble First Aired: 1999-07-15	1999-07-15
OI4 49	OI4 49 Lizardon! I Choose You!! リザードン！きみにきめた!! Charizard Chills First Aired: 1999-07-22	1999-07-22