(Pokémon Red, Blue, Yellow, Gold, Silver and Crystal Versions)
Poison Gas is a Poison-type move.
Learnset
The following Pokémon can use Poison Gas:
| Pokémon | Learnt |
|---|---|
| Grimer | at level 1GSC |
| Grimer | at level 30RBY |
| Muk | at level 1 |
| Muk | at level 30RBY |
| Drowzee | at level 29RBY |
| Drowzee | at level 31GSC |
| Hypno | at level 33 |
| Koffing | at level 1GSC |
| Weezing | at level 1GSC |