Pokémon

Pokémon (1997 – 2023)

1997 • 25 seasons • Animation, Action & Adventure • TV-Y7

On August 7, 2026

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60 Popularity Score

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photo from the episode

Episode 21 — Bye Bye Butterfree

Season 1 • Pokémon

Released: 1997-08-19 • Animation/Action & Adventure/Sci-Fi & Fantasy

74%

User score

When the party sees a flock of Butterfree flying above the ocean, Brock, as a Pokémon breeder, explains that it is the Butterfree's egg-laying season.

Episodes

Episode 1
Pokémon - I Choose You!
1997-04-01

Episode 2
Pokémon Emergency!
1997-04-08

Episode 3
Ash Catches a Pokémon
1997-04-15

Episode 4
Challenge of the Samurai
1997-04-22

Episode 5
Showdown in Pewter City
1997-04-29

Episode 6
Clefairy and the Moon Stone
1997-05-06

Episode 7
The Water Flowers of Cerulean City
1997-05-13

Episode 8
The Path to the Pokémon League
1997-05-20

Episode 9
The School of Hard Knocks
1997-05-27

Episode 10
Bulbasaur and the Hidden Village
1997-06-03

Episode 11
Charmander - The Stray Pokémon
1997-06-10

Episode 12
Here Comes the Squirtle Squad
1997-06-17

Episode 13
Mystery at the Lighthouse
1997-06-24

Episode 14
Electric Shock Showdown
1997-07-01

Episode 15
Battle Aboard the St. Anne
1997-07-08

Episode 16
Pokémon Shipwreck
1997-07-15

Episode 17
Island of the Giant Pokémon
1997-07-22

Episode 18
Beauty and the Beach
1997-07-29

Episode 19
Tentacool & Tentacruel
1997-08-05

Episode 20
The Ghost of Maiden's Peak
1997-08-12

Episode 21
Bye Bye Butterfree
1997-08-19

Episode 22
Abra and the Psychic Showdown
1997-08-26

Episode 23
The Tower of Terror
1997-09-02

Episode 24
Haunter Versus Kadabra
1997-09-09

Episode 25
Primeape Goes Bananas
1997-09-16

Episode 26
Pokémon Scent-sation!
1997-09-23

Episode 27
Hypno's Naptime
1997-09-30

Episode 28
Pokémon Fashion Flash
1997-10-07

Episode 29
The Punchy Pokémon
1997-10-14

Episode 30
Sparks Fly for Magnemite
1997-10-21

Episode 31
Dig Those Diglett!
1997-10-28

Episode 32
The Ninja-Poké Showdown
1997-11-04

Episode 33
The Flame Pokémon-athon!
1997-11-11

Episode 34
The Kangaskhan Kid
1997-11-18

Episode 35
The Legend of Dratini
1997-11-25

Episode 36
The Bridge Bike Gang
1997-12-02

Episode 37
Ditto's Mysterious Mansion
1997-12-09

Episode 38
Cyber Soldier Porygon
1997-12-16

Episode 39
Pikachu's Goodbye
1998-04-16

Episode 40
The Battling Eevee Brothers
1998-04-16

Episode 41
Wake Up, Snorlax!
1998-04-23

Episode 42
Showdown at Dark City
1998-04-30

Episode 43
The March of the Exeggutor Squad
1998-05-07

Episode 44
The Problem with Paras
1998-05-14

Episode 45
The Song of Jigglypuff
1998-05-21

Episode 46
Attack of the Prehistoric Pokémon
1998-05-28

Episode 47
A Chansey Operation
1998-06-04

Episode 48
Holy Matrimony!
1998-06-11

Episode 49
So Near, Yet So Farfetch'd
1998-06-18

Episode 50
Who Gets to Keep Togepi?
1998-06-25

Episode 51
Bulbasaur's Mysterious Garden
1998-07-02

Episode 52
Princess vs. Princess
1998-07-09

Episode 53
The Purr-fect Hero
1998-07-09

Episode 54
The Case of the K-9 Caper!
1998-07-16

Episode 55
Pokémon Paparazzi
1998-07-23

Episode 56
The Ultimate Test
1998-07-30

Episode 57
The Breeding Center Secret
1998-08-06

Episode 58
Riddle Me This (1)
1998-08-13

Episode 59
Volcanic Panic (2)
1998-08-20

Episode 60
Beach Blank-Out Blastoise
1998-08-27

Episode 61
The Misty Mermaid
1998-09-03

Episode 62
Clefairy Tales
1998-09-10

Episode 63
The Battle of the Badge
1998-09-17

Episode 64
It's Mr. Mime Time!
1998-09-24

Episode 65
Holiday Hi-Jynx
1998-10-05

Episode 66
Snow Way Out!
1998-10-05

Episode 67
Showdown at the Po-ké Corral
1998-10-08

Episode 68
The Evolution Solution
1998-10-15

Episode 69
The Pi-Kahuna
1998-10-22

Episode 70
Make Room for Gloom
1998-10-29

Episode 71
Lights, Camera, Quack-tion
1998-11-05

Episode 72
Go West Young Meowth
1998-11-12

Episode 73
To Master the Onixpected!
1998-11-19

Episode 74
The Ancient Puzzle of Pokémopolis
1998-11-26

Episode 75
Bad to the Bone
1998-12-03

Episode 76
All Fired Up!
1998-12-10

Episode 77
Round One - Begin!
1998-12-17

Episode 78
Fire and Ice
1998-12-24

Episode 79
The Fourth Round Rumble
1999-01-01

Episode 80
A Friend in Deed
1999-01-07

Episode 81
Friend and Foe Alike
1999-01-14

Episode 82
Friends to the End
1999-01-21

Information

Episode air date	19.08.1997
Episode runtime	23 min
Episode rating	7.43
Genres	Animation / Action & Adventure / Sci-Fi & Fantasy
TMDB series rating	8.0
IMDb series rating	7.6
Series status	Ended
Age rating	7+
Country	JP

Trailer

Additional videos

Alola (Season 22)

Alola (Season 22)

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Alola (Seasons 20-21)

Alola (Seasons 20-21)

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Kalos (Seasons 17-19)

Kalos (Seasons 17-19)

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Unova (Seasons 14-16)

Unova (Seasons 14-16)

▶

Sinnoh (Seasons 10-13)

Sinnoh (Seasons 10-13)

▶

Hoenn (Seasons 6-9)

Hoenn (Seasons 6-9)

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Johto (Seasons 3-5)

Johto (Seasons 3-5)

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Kanto (Seasons 1-2)

Kanto (Seasons 1-2)

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Viz/Pioneer DVD & VHS Commercial

Viz/Pioneer DVD & VHS Commercial

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Opening 1 - "Aim to Be a Pokémon Master" - Rica Matsumoto [Pre-Porygon | Remastered w/ Subs]

Opening 1 - "Aim to Be a Pokémon Master" - Rica Matsumoto [Pre-Porygon | Remastered w/ Subs]

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Catch 'Em All on VHS Advert (VHS Capture)

Catch 'Em All on VHS Advert (VHS Capture)

▶

Cast

Rica Matsumoto
Satoshi (voice)

Ikue Otani
Pikachu (voice)

Daiki Yamashita

Daiki Yamashita
Gou (voice)

Kenyu Horiuchi
Narrator (voice)

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