Bagon is a bipedal, blue, reptilian Pokémon vaguely resembling a Pachycephalosaurus. It possesses a large, round snout, triangular eyes, yellow, circular ears similar to reptiles, and a yellow lower jaw with two teeth protruding upwards. Three thick, gray ridges cover the top of its head and continue downwards to cover its neck as well. There is a triangular patch of yellow on its underside. It has stubby, digit-less arms and short legs with two toes on each foot.
Bagon lives in rough terrains with cliffs and rocks. It longs to fly and jumps off cliffs trying to be able to do so. Frustrated at its inability to fly, it leaps off cliffs and smashes its head against large rocks indiscriminately. This process of continually bashing its head causes it to become as hard as steel. Well-developed neck muscles support its hard head. This, combined with its powerful body, allows it to shatter rocks with its head. Bagon is known to be rather solitary, preferring not to form groups with others of its kind. It has been theorized that Bagon's habit of head-bashing and pure belief influences the cells needed to help it evolve.
Evolution
Bagon evolves into Shelgon, which evolves into Salamence.
(For specifics on this Pokémon's Evolution in the games, refer to Game data→Evolution data.)
Major appearances
Bagon debuted in Let Bagons be Bagons, under the ownership of Michelle. Throughout the episode, it tried to learn how to fly. It eventually evolved into a Shelgon.
In Pinch Healing, a Bagon was under the care of Matt. When it saw some Butterfree and a Fearow, it wanted to fly, much like the above Bagon. Ash and Matt left to go find it when it wandered off while trying to do so. It eventually fell into a stream, where it was attacked by a school of Carvanha. After being rescued, Bagon was found to have contracted a fever and was sent to the Pokémon Center, where it eventually healed.
In Tag! We're It...!, a Trainer's Bagon competed in the Hearthome City Tag Battle Competition. It fought alongside a Yanma against Brock's Sudowoodo and Holly's Wingull, but they were defeated.
In A Fashionable Battle!, Sawyer used a Bagon in his Gym battle against Valerie, where it took on Spritzee but was defeated. In Rivals: Today and Tomorrow!, it was used in a battle against Ash and was defeated by Pikachu. It evolved into a Shelgon sometime before A Meeting of Two Journeys!, and then into a Salamence sometime before Analysis Versus Passion!.
Minor appearances
A Bagon appeared in the opening sequence of Destiny Deoxys.
A Coordinator's Bagon appeared in Deceit and Assist.
In New Plot, Odd Lot!, a Coordinator's Bagon competed in the Mulberry Contest.
In Not on MY Watch Ya Don't!, a Bagon was hypnotized and kidnapped by Team Rocket.
A Coordinator's Bagon appeared in Settling a Not-So-Old Score!.
A Bagon appeared in The Keystone Pops!.
In Camping It Up!, a Bagon was at the Pokémon Summer Academy.
A Trainer's Bagon appeared in I Choose Paradise!.
A Trainer's Bagon appeared in Battling Besties! and Exhibition Unmasked!.
In Raid Battle in The Ruins!, a Shiny Bagon was part of Shane Seeker's Shiny Pokémon collection, as shown in his Pokédex.
A Bagon appeared in a photo in HZ072.
Pokédex entries
Episode
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Pokémon
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Source
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Entry
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AG043
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Bagon
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Ash's Pokédex
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Bagon the Rock Head Pokémon. Bagon bashes itself against large rocks, until its head eventually grows as hard as steel.
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Episode
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Pokémon
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Source
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Entry
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AG188
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Bagon
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May's Pokédex
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Bagon, the Rock Head Pokémon. Bagon dreams of being able to fly through the air. When frustrated from not flying, Bagon uses its head to smash rocks into powder.
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Episode
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Pokémon
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Source
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Entry
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XY073
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Bagon
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Ash's Pokédex
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Bagon, the Rock Head Pokémon. Because Bagon dreams of being able to fly, it regularly practices by leaping from cliffs.
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