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Pokémon
Season 1
Episode 21

Bye Bye Butterfree

August 19, 1997

70.7%

Pokémon - S1 - E21

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.

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Pokémon: Season 1 - 71 Episode s

1x1 - Pokémon - I Choose You!
April 1, 1997
Meet Ash Ketchum, a 10-year-old boy full of imagination, confidence, and dreams that are almost too big for his village of Pallet Town—plus the desire to become a Pokémon Master!
1x2 - Pokémon Emergency!
April 8, 1997
Ash rushes into Viridian City with his gravely wounded Pikachu. The city's on high alert for Pokémon thieves-thieves like Jessie, James, and Meowth of Team Rocket, a group of bad guys dedicated to stealing valuable Pokémon.
1x3 - Ash Catches a Pokémon
April 15, 1997
Ash discovers and catches a Caterpie—his first Pokémon capture! Though Ash is excited, Misty is grossed out by Bug-type Pokémon, so she is repulsed by its attempts to be friends with her. At night, as Ash and Misty sleep, Caterpie shares with Pikachu its dream of evolving into a Butterfree.
1x4 - Challenge of the Samurai
April 22, 1997
Misty and Ash continue to wander the Viridian Forest when they spot a Weedle. As Ash battles it, he's distracted by a boy dressed as a samurai and calling himself (naturally) Samurai. Samurai challenges Ash to a battle, and Ash gets the advantage when his Metapod defends itself against Samurai's Pinsir. Samurai sends out his own Metapod—and a standoff begins.
1x5 - Showdown in Pewter City
April 29, 1997
Jessie, James, and Meowth dig a trap for our heroes, but they end up falling into it themselves! Ash and Misty arrive at Pewter City and meet a curious fellow named Flint, who notices that Pikachu is tired and shows them the way to the Pokémon Center.
1x6 - Clefairy and the Moon Stone
May 6, 1997
Will Team Rocket steal the Moon Stone? Are there other Clefairy lurking about, and do they carry Moon Stones, too? And is the legend of the Moon Stone true?
1x7 - The Water Flowers of Cerulean City
May 13, 1997
Ash seeks the Cascade badge in Cerulean City—but for some reason, Misty doesn't want to join them. When Ash and Brock show up, the city is buzzing about a break-in that just took place—and are initially accused of the crime!
1x8 - The Path to the Pokémon League
May 20, 1997
On the way to Vermillion City, Ash meets AJ, a Gym Leader at an unsanctioned Gym who has 98 wins and zero losses. They battle, and Ash is surprised that AJ's Ground-type Sandshrew can easily beat his Flying-type Pokémon.
1x9 - The School of Hard Knocks
May 27, 1997
While searching for firewood in the foggy woods, Ash and Pikachu discover a bunch of prep-school kids bullying a classmate named Joe.
1x10 - Bulbasaur and the Hidden Village
June 3, 1997
Ash and Misty, while arguing, discover an Oddish. As Misty's Starmie weakens the Oddish, a Bulbasaur appears and fights Starmie while the Oddish runs off into the woods.
1x11 - Charmander - The Stray Pokémon
June 10, 1997
Our friends, lost, discover an injured Charmander. Pikachu talks to it and learns that it's been waiting a long time for its trainer to return.
1x12 - Here Comes the Squirtle Squad
June 17, 1997
Ash and his friends walk along a path and fall into a hole dug by a batch of mischievous Squirtle. Ash climbs out and tries to battle them, but they scatter when Officer Jenny arrives.
1x13 - Mystery at the Lighthouse
June 24, 1997
A tremendously large shadow begins to take form in the sea mists, but this possible discovery could be hindered due to the infamous Team Rocket lurking in the background cooking up another one of their schemes.
1x14 - Electric Shock Showdown
July 1, 1997
Our heroes finally reach Vermillion City, and they discover that the Pokémon Center is filled with Pokémon hurt during battles with Lt. Surge, the Vermillion City Gym Leader.
1x15 - Battle Aboard the St. Anne
July 8, 1997
Ash and his friends board a fancy cruise ship called the St. Anne, thanks to tickets provided by two friendly but familiar-looking people. We soon learn that they're actually Jessie and James in disguise!
1x16 - Pokémon Shipwreck
July 15, 1997
The St. Anne has capsized and sunk with Ash, the gang, and Team Rocket trapped inside. Now, both sides must put aside their differences in order to escape.
1x17 - Island of the Giant Pokémon
July 22, 1997
As our heroes and Team Rocket beat the odds by surviving the sinking ship, they are dragged into another potentially deadly situation when they are attacked by the ferocious Pokémon, Gyarados.
1x18 - Beauty and the Beach
July 29, 1997
Ash and his friends have finally arrived in Porta Vista, a beach-side tourist town. After destroying an old man's ship, they must help in the old man's business. To attempt to pay the man back faster, Misty enters a beauty contest, only to discover she is competing against Jessie and James.
1x19 - Tentacool & Tentacruel
August 5, 1997
Our heroes arrive at Hutber Port, where a ferryboat line runs to the mainland.
1x20 - The Ghost of Maiden's Peak
August 12, 1997
After leaving Acapulco in search of Saffron City, our heroes finally arrive at a small port town in the middle of celebrating a summer festival.
1x21 - Bye Bye Butterfree
August 19, 1997
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.
1x22 - Abra and the Psychic Showdown
August 26, 1997
The party finally arrives in Saffron City where a young girl manages a gym of Pokémon using her psychic powers. If Ash defeats this particular Gym Leader, Ash can earn a gold badge.
1x23 - The Tower of Terror
September 2, 1997
In search of a ghost Pokémon, Ash heads immediately for a tower in Lavender Town where they are said to dwell.
1x24 - Haunter Versus Kadabra
September 9, 1997
Unbenownst to Ash, one of the ghost Pokémon decides to join Ash and friends on their journey and more importantly help Ash battle the powerful Saffron City Gym Leader.
1x25 - Primeape Goes Bananas
September 16, 1997
On their way to Celadon City, our heroes encounter Mankey, a wild Pokémon that if rubbed the wrong way can go into uncontrollable fits. Not realizing its unpredictability, the party accidentally upsets Mankey.
1x26 - Pokémon Scent-sation!
September 23, 1997
The party arrives in Celadon City, a perfectly pleasant town full of large department stores, condominiums, and fancy arcades.
1x27 - Hypno's Naptime
September 30, 1997
Our heroes come to a town in which a great deal of children have recently turned up missing.
1x28 - Pokémon Fashion Flash
October 7, 1997
At Brock's persistent request, our heroes stop by Caesar Street, a town of breeders famous for its Pokémon beauty salons.
1x29 - The Punchy Pokémon
October 14, 1997
In the outskirts of Fuchsia City, our heroes come across Hitmonchan, a fighter-Pokémon. With little thought, Ash attempts to capture it, but he and Pikachu are badly defeated.
1x30 - Sparks Fly for Magnemite
October 21, 1997
As our heroes make their way through the industrial town of Gringy City, Pikachu, perhaps weary from travel, is in a strange state; the electric sacks on his cheeks are continually twitching as though overcharged.
1x31 - Dig Those Diglett!
October 28, 1997
Ash, Brock, Misty and Pikachu are lost deep in the mountains. As they press forward on a rough road not even shown on their map, they suddenly hear a large explosion.
1x32 - The Ninja-Poké Showdown
November 4, 1997
Fuchsia Gym, the authorized gym where Ash seeks his next badge, turns out to be a hidden ninja's lair. After finally discovering and entering the gym, he is held up by a complex system of traps.
1x33 - The Flame Pokémon-athon!
November 11, 1997
Our heroes come to a prairie where the Laramies, a family of Pokémon Ranchers live. They learn from a daughter of the Laramie family that a race is held at the ranch once a year to measure the growth of everyone's Pokémon.
1x34 - The Kangaskhan Kid
November 18, 1997
Our heroes accompany Officer Jenny into the forest, intent on pursuing the Pokémon poachers in the area.
1x35 - The Legend of Dratini
November 25, 1997
Ash and his friends get challenged by Team Rocket in seeing who can capture the most Pokémon within the Safari Zone, with Ash catching a whole herd of Tauros. As soon as Ash and his friends head out Pokémon hunting, Team Rocket manages to get the drop on the game warden (Mr. Kaiza) and forces him into giving up the location on where Dratini is (the Dragon Valley). In the end, Ash, his friends, Team Rocket, and Kaiza end up seeing the legendary Dratini and Dragonair, with the heroes saving the day.
1x36 - The Bridge Bike Gang
December 2, 1997
Ash and the others happen upon a town that can only be reached by a long bike bridge, but they don't have enough money to rent bikes for the crossing.
1x37 - Ditto's Mysterious Mansion
December 9, 1997
Our heroes take shelter in a cabin that turns out to be the Copycat House of a trainer who has a Pikachu that is a Ditto, the Transform Pokémon.
1x38 - Cyber Soldier Porygon
December 16, 1997
Ash and his friends arrive at Pokémon Center where the PokéBall transfer machine has been causing problems, as the transferred Pokémon never end up at the other side. Ash and his friends decide to accompany Porygon, a computerized Pokémon, used by Professor Akihabara to investigate the problem, only to discover Team Rocket and another Porygon are to blame.
1x39 - Pikachu's Goodbye
April 16, 1998
Ash and the others discover a group of wild Pikachu in a secluded area of the woods. How will Pikachu feel seeing others of its kind in the wild?
1x40 - The Battling Eevee Brothers
April 16, 1998
Tracing a path through the woods, the party comes across a tree baited with a plate of food and water. An Eevee is bound to the trunk with string.
1x41 - Wake Up, Snorlax!
April 23, 1998
On empty stomachs, our heroes' search for food brings them to a small village, but find there is no food at the bakery nor at the grocery store; even the town restaurant is out of food.
1x42 - Showdown at Dark City
April 30, 1998
In the middle of a terrible desert, our heroes inadvertently wandered into Dark City. With no name but Dark, the city has fallen into ruin.
1x43 - The March of the Exeggutor Squad
May 7, 1998
After discovering there's a traveling carnival nearby, Ash, Misty and Brock join in on the fun of the fair and stumble across a rather dull magic show.
1x44 - The Problem with Paras
May 14, 1998
Team Rocket never let up with their constant interception, but today something seems strange. The coin on Meowth's forehead is blinking red, indicating overheating.
1x45 - The Song of Jigglypuff
May 21, 1998
Our heroes trudge along, resigning themselves to the idea of camping out in the desert as the sun slowly sets. Suddenly they see bright lights in front of them: a glamorous city appears before them, covered in neon lights.
1x46 - Attack of the Prehistoric Pokémon
May 28, 1998
Our heroes approach Grampa Canyon, famous for the beautiful scenery of its valley. As they approach, however, they find wave upon wave of people also heading for Grampa Canyon.
1x47 - A Chansey Operation
June 4, 1998
As our heroes sleep peacefully, Pikachu begins experiencing an unusual sensation. As though it were choking on something, Pikachu's expression grows steadily more and more pained.
1x48 - Holy Matrimony!
June 11, 1998
As our heroes pass the entrance to a small village, they stop in front of a strange sign.
1x49 - So Near, Yet So Farfetch'd
June 18, 1998
As Ash sits on a rock, staring at his Pokédex, it displays Farfetch'd, an odd-looking Pokémon holding a leek.
1x50 - Who Gets to Keep Togepi?
June 25, 1998
When Ash and friends reach a certain Pokémon E. R., Joy informs Ash that a message has arrived for him, from Professor Oak.
1x51 - Bulbasaur's Mysterious Garden
July 2, 1998
After Bulbasaur's bulb begins to emit an odd glow, a nurse runs some tests and discovers that Bulbasaur isn't sick: It's getting ready to evolve!
1x52 - Princess vs. Princess
July 9, 1998
Misty and Jessie compete against one another for Queen of the Princess Festival, a day where women rule and the guys have to do whatever the girls tell them.
1x53 - The Purr-fect Hero
July 9, 1998
It's Kids Day, and Ash and friends help the children at a nearby school celebrate the holiday.
1x54 - The Case of the K-9 Caper!
July 16, 1998
Ash enrolls Pikachu in a training school for police Growlithe, but the course is tougher than he imagined, for himself and for Pikachu!
1x55 - Pokémon Paparazzi
July 23, 1998
Ash and friends are being shadowed by Todd Snap, the world's greatest Pokémon photographer.
1x56 - The Ultimate Test
July 30, 1998
Ash signs up to take an exam to be admitted to the Pokémon League.
1x57 - The Breeding Center Secret
August 6, 1998
Our heroes discover a terrible secret about the new breeding center in town.
1x58 - Riddle Me This (1)
August 13, 1998
Ash, Brock and Misty travel to Cinnabar Island where Ash hopes to win his Volcano Badge.
1x59 - Volcanic Panic (2)
August 20, 1998
Ash continues his quest to attain his Volcano Badge once he finally locates the gym that is suspended above a pool of molten lava!
1x60 - Beach Blank-Out Blastoise
August 27, 1998
As Ash and the gang are rushing to catch the last ferry off of Cinnabar Island, they stumble over a rare Pokémon in trouble.
1x61 - The Misty Mermaid
September 3, 1998
One of Misty's water Pokémon is in desperate need of exercise, so the gang decides to take her Horsea to a gym that's run by her sisters in Cerulean City.
1x62 - Clefairy Tales
September 10, 1998
Ash, Brock and Misty get sidetracked on their way to Viridian City when all of their belongings mysteriously disappear.
1x63 - The Battle of the Badge
September 17, 1998
Ash and friends finally make their way to Viridian City where Ash hopes to earn his Earth Badge.
1x64 - It's Mr. Mime Time!
September 24, 1998
On their way back to Pallet Town, Ash, Brock and Misty encounter a runaway Mr. Mime.
1x65 - Holiday Hi-Jynx
October 5, 1998
Ash, Misty, Brock, and their Pokémon must return a lost Jynx to Santa before Christmas, with the help of a Lapras. Meanwhile, Jessie attempts to take revenge on Santa for stealing her favorite doll when she was young.
1x66 - Snow Way Out!
October 5, 1998
Pikachu is lost in a snowy mountain forest! Can Ash and the gang stay warm while tracking down their missing pal?
1x67 - Showdown at the Po-ké Corral
October 8, 1998
Back in Pallet Town, Ash finds Gary, already there, waiting to partake in the Pokémon League. Always having a bitter rivalry with Gary, Professor Oak tells them both the meaning of Pokémon. Meanwhile, Team Rocket is trying to get inside the lab to steal the Pokémon.
1x68 - The Evolution Solution
October 15, 1998
Ash goes to Seafoam Island to help Professor Oak to discover the mystery of how Slowpoke evolves into Slowbro. There, Professor Westwood V is also trying to solve the mystery. Jessie captures Shellder, and tries to rush a Slowpoke's evolution, forcing Psyduck to stall the evolution.
1x69 - The Pi-Kahuna
October 22, 1998
Ash and the gang take some time off to go surfing. While surfing, however, Ash passes out, but is thankfully rescued by a surfer named Victor and his blue-eyed Pikachu, Puka. Victor then reveals his plans to surf a tsunami called Humungadunga and become a surfing legend.
1x70 - Make Room for Gloom
October 29, 1998
Ash goes to a flower garden to get some fertilizer for his mother, but Bulbasaur sniffs the flowers and becomes paralyzed.
1x71 - Lights, Camera, Quack-tion
November 5, 1998
When the gang discovers there is a movie with an all Pokemon cast being made nearby, Ash and his friends put their Pokémon in for an audition. Misty's Psyduck gets the main role while the others get minor roles.

Pokémon: All seasons

S0: Specials
51 Episode s
S1: Indigo League
82 Episode s
S2: Adventures in the Orange Islands
36 Episode s
S3: The Johto Journeys
41 Episode s
S4: Johto League Champions
52 Episode s
S5: Master Quest
65 Episode s
S6: Advanced
40 Episode s
S7: Advanced Challenge
52 Episode s
S8: Advanced Battle
53 Episode s
S9: Battle Frontier
45 Episode s
S10: Diamond and Pearl
52 Episode s
S11: Diamond and Pearl: Battle Dimension
52 Episode s
S12: Diamond and Pearl: Galactic Battles
53 Episode s
S13: Diamond and Pearl: Sinnoh League Victors
34 Episode s
S14: Black & White
48 Episode s
S15: Black & White: Rival Destinies
49 Episode s
S16: Black & White: Adventures in Unova
45 Episode s
S17: XY
48 Episode s
S18: XY: Kalos Quest
45 Episode s
S19: XYZ
49 Episode s
S20: Sun & Moon
43 Episode s
S21: Sun & Moon: Ultra Adventures
49 Episode s
S22: Sun & Moon: Ultra Legends
54 Episode s
S23: Journeys
48 Episode s
S24: Master Journeys
42 Episode s
S25: Ultimate Journeys
57 Episode s

1x1 - Pokémon - I Choose You!

1x2 - Pokémon Emergency!

1x3 - Ash Catches a Pokémon

1x4 - Challenge of the Samurai

1x5 - Showdown in Pewter City

1x6 - Clefairy and the Moon Stone

1x7 - The Water Flowers of Cerulean City

1x8 - The Path to the Pokémon League

1x9 - The School of Hard Knocks

1x10 - Bulbasaur and the Hidden Village

1x11 - Charmander - The Stray Pokémon

1x12 - Here Comes the Squirtle Squad

1x13 - Mystery at the Lighthouse

1x14 - Electric Shock Showdown

1x15 - Battle Aboard the St. Anne

1x16 - Pokémon Shipwreck

1x17 - Island of the Giant Pokémon

1x18 - Beauty and the Beach

1x19 - Tentacool & Tentacruel

1x20 - The Ghost of Maiden's Peak

1x21 - Bye Bye Butterfree

1x22 - Abra and the Psychic Showdown

1x23 - The Tower of Terror

1x24 - Haunter Versus Kadabra

1x25 - Primeape Goes Bananas

1x26 - Pokémon Scent-sation!

1x27 - Hypno's Naptime

1x28 - Pokémon Fashion Flash

1x29 - The Punchy Pokémon

1x30 - Sparks Fly for Magnemite

1x31 - Dig Those Diglett!

1x32 - The Ninja-Poké Showdown

1x33 - The Flame Pokémon-athon!

1x34 - The Kangaskhan Kid

1x35 - The Legend of Dratini

1x36 - The Bridge Bike Gang

1x37 - Ditto's Mysterious Mansion

1x38 - Cyber Soldier Porygon

1x39 - Pikachu's Goodbye

1x40 - The Battling Eevee Brothers

1x41 - Wake Up, Snorlax!

1x42 - Showdown at Dark City

1x43 - The March of the Exeggutor Squad

1x44 - The Problem with Paras

1x45 - The Song of Jigglypuff

1x46 - Attack of the Prehistoric Pokémon

1x47 - A Chansey Operation

1x48 - Holy Matrimony!

1x49 - So Near, Yet So Farfetch'd

1x50 - Who Gets to Keep Togepi?

1x51 - Bulbasaur's Mysterious Garden

1x52 - Princess vs. Princess

1x53 - The Purr-fect Hero

1x54 - The Case of the K-9 Caper!

1x55 - Pokémon Paparazzi

1x56 - The Ultimate Test

1x57 - The Breeding Center Secret

1x58 - Riddle Me This (1)

1x59 - Volcanic Panic (2)

1x60 - Beach Blank-Out Blastoise

1x61 - The Misty Mermaid

1x62 - Clefairy Tales

1x63 - The Battle of the Badge

1x64 - It's Mr. Mime Time!

1x65 - Holiday Hi-Jynx

1x66 - Snow Way Out!

1x67 - Showdown at the Po-ké Corral

1x68 - The Evolution Solution

1x69 - The Pi-Kahuna

1x70 - Make Room for Gloom

1x71 - Lights, Camera, Quack-tion

S0: Specials

S1: Indigo League

S2: Adventures in the Orange Islands

S3: The Johto Journeys

S4: Johto League Champions

S5: Master Quest

S6: Advanced

S7: Advanced Challenge

S8: Advanced Battle