| ← TM020 | TMs | TM022 → |
|---|
TM021, formerly known as TM21, is a TM introduced in Generation I.
| TM021 | |
| I | Mega Drain |
| RBY | Reward for defeating Celadon City Gym |
| II | Frustration |
| GSC | Goldenrod Department Store during Sundays |
| III |  Frustration
|
| RSE | Pacifidlog Town |
| FRLG | Rocket Hideout |
| IV | Frustration
|
| DPPt | Team Galactic HQ Veilstone Game Corner (8000 C) |
| HGSS | Goldenrod Department Store during Sundays Celadon Department Store (  1000)
|
| V | Frustration
|
| BW | Nimbasa City |
| B2W2 | Floccesy Ranch |
| VI |  Frustration
|
| XY | Connecting Cave |
| ORAS | Pacifidlog Town |
| VII | Frustration
|
| SMUSUM | Malie City |
 Foul Play
| |
| PE | Pokémon Mansion |
| VIII |  Rest
|
| ' | Ballonlea |
 Dazzling Gleam
| |
| BDSP | Team Galactic HQ Veilstone Department Store ( 3,000)
|
| IX |  Pounce
|
| SV | |