Pokémon/Pokédex/Meganium

TM/HM

 * GS/C/RS/FL: Attract, Cut, Double Team, Earthquake, Flash, Frustration, Giga Drain, Hidden Power, Hyper Beam, Iron Tail, Protect, Rest, Return, Rock Smash, Solarbeam, Strength, Sunny Day, Toxic
 * GS/C: Curse, Detect, Endure, Fury Cutter, Headbutt, Mud-Slap, Sleep Talk, Snore, Swagger, Sweet Scent
 * RS/FL: Bullet Seed, Facade, Light Screen, Reflect, Safeguard, Secret Power

Breeding

 * GS/C/RS/FL: Ancientpower, Counter, Flail, Leech Seed, Vine Whip
 * RS/FL: Grasswhistle, Ingrain, Nature Power
 * C: Swords Dance

Trading Cards

 * Neo Genesis #10 - Meganium
 * Neo Genesis #11 - Meganium
 * Expedition #18 - Meganium
 * Expedition #53 - Meganium
 * Expedition #54 - Meganium
 * EX Unseen Forces #9 - Meganium
 * EX Unseen Forces #106 - Meganium ex