001

By regional Pokédex number, 001 may refer to:

• #001 Bulbasaur, in the National and Kanto Pokédex
• #001 Chikorita, in the New Pokédex and the Johto Pokédex
• #001 Treecko, in the Hoenn Pokédex
• #001 Turtwig, in the Sinnoh Pokédex
• #001 Tsutarja, in the Isshu Pokédex

By browser number, 001 may refer to:

• R-001 Bulbasaur, in the Fiore Browser
• R-001 Pichu, in the Almia Browser
• R-001 Pidgey, in the Oblivia Browser
• N-001 Piplup, in the Oblivia Browser (Past)

In the Pokémon anime series, 001 may refer to:

• Pokémon - I Choose You!, episode 1 of the original series
• Get the Show on the Road, episode 1 of the Advanced Generation series
• Following a Maiden's Voyage!, episode 1 of the Diamond & Pearl series
• BW001, episode 1 of the Best Wishes series
• Pokémon the First Movie - Mewtwo Strikes Back, the first full-length Pokémon movie
• Pikachu's Vacation, the first Pikachu short animation
• A Family That Battles Together Stays Together!, the first side story episode

In the Pokémon games, 001 may refer to:

• Route 1, a route in Kanto
• The island commonly referred to as One Island, officially named Knot Island
• The town named One Island on Knot Island
• TM01, a Technical Machine
• HM01, a Hidden Machine
• Cheri Berry, a Berry that debuted in Generation III
• XD001, a Pokémon from Pokémon XD: Gale of Darkness
• ZERO-ONE, a vehicle in Pokémon Snap
• Secret Storage 1, a location in Pokémon Trozei!
• Huge Storage 1, a location in Pokémon Trozei!
• Phobos Mobile No.1: Phobos Train, a location in Pokémon Trozei!
• SOL Laboratory 1, a location in Pokémon Trozei!

In the Pokémon manga, 001 may refer to:

• A Glimpse of the Glow, round 1 in the Red, Green & Blue arc of Pokémon Adventures
• In Search of the Legendary Pokémon Dialga!!, chapter 1 of Pokémon Diamond and Pearl Adventure!
• Deoxys, The Phantom Pokémon! (Part 1), the first special chapter in Pokémon Diamond and Pearl Adventure!
• Pokémon to the Rescue!, chapter 1 of Pokémon Mystery Dungeon: Ginji's Rescue Team
• Pikachu, I See You!, chapter 1 of Electric Tale of Pikachu
• Hoppip, The Wind Calls!, chapter 1 of Ash and Pikachu
• Prologue: Masara Town, chapter 1 of Pokémon Zensho
• Let's Go! The Journey Towards The Championship, chapter 1 of Pokémon Gold & Silver: The Golden Boys
• The Day Dratini Grew Up, chapter 1 of How I Became a Pokémon Card
• District Convention "Kenta, to the Open Sea", chapter 1 of Mezase!! Card Master
• Behold The Phantom Thief Of Justice, chapter 1 of Phantom Thief Pokémon 7
• The Pokémon Clefairy Enters!!, chapter 1 of Pokémon Pocket Monsters
• Let's Go Catch The Dumpling Thief!!, chapter 1 of Pokémon Ruby-Sapphire
• Enta Arrives at the Battle Frontier!, chapter 1 of Pokémon Battle Frontier
• How Do You Do, Pikachu?, chapter 1 of Magical Pokémon Journey
• A Destined Meeting (chamo!?), chapter 1 of Pokémon Chamo-Chamo ☆ Pretty ♪
• Enter Shū & Pikachu!, chapter 1 of Pokémon Get da ze!
• A Heated Battle Begins!!, chapter 1 of Pocket Monsters Platinum: Aim to Be Battle King!!

001 may also refer to:

• ONE, a CD single by Crystal Kay
  • ONE, the Japanese ending theme to Giratina and the Sky Warrior
• One, a song from the English soundtrack to The Power of One
• Generation I, the first set of Pokémon games