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This episode is essential viewing because: Brock visits Pewter Gym and finds out that his Onix has evolved into a Steelix.

We don't have synopsis for this episode yet. Why not write us one and send it to us?

Characters appearing in this episode

Ash

Brock

Max

May

Jessie

James

Meowth

Ash's Pikachu

Pokémon appearing in this episode

• Pikachu belonging to Ash
• Meowth

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