TM04 (Technical Machine 04) is an item in the Pokémon series that teaches a specific move to a Pokémon. The move associated with TM04 has varied across different generations of the games:
Generation I: TM04 contains the move Whirlwind, a Normal-type move that forces the target to switch with a random Pokémon from its Trainer's party in battles with multiple Pokémon. Whirlwind's primary use is for disrupting the opponent's strategy.
Generation II: TM04 teaches the move Rollout, a Rock-type move that increases in power if used consecutively. Rollout can be very effective if it continues for the full duration, making it dangerous if not interrupted.
Generation III - VIII: TM04 contains the move Calm Mind, a Psychic-type status move that raises the user's Special Attack and Special Defense by one stage. Calm Mind is widely regarded as an excellent move for special attackers, enabling them to boost their offensive and defensive
Teaches Calm Mind to a compatible Pokémon.
Short Effect: Teaches Calm Mind to a compatible Pokémon. (Gen II: Rollout Gen I: Whirlwind)
Teaches Calm Mind to a compatible Pokémon.
| Generation | Game Index |
|---|---|
| Generation III | 292 |
| Generation IV | 331 |
| Generation V | 331 |
| Generation VI | 331 |
| Generation VII | 331 |
| Generation VIII | 331 |