| Type | water |
| Category | Special |
| Power | 65 |
| Accuracy | 100 |
| PP | 20 |
| Introduced | Generation 1 |
Bubble Beam deals damage and has a 10% chance of lowering the target's Speed by one stage.
Stats can be lowered to a minimum of -6 stages each.
When a Pokémon is holding Waterium Z and uses its Z-Power, Bubble Beam turns into Hydro Vortex and has base power 120.
| Gold Silver Crystal | An attack that may lower SPEED. |
| Ruby Sapphire Emerald | Forcefully sprays bubbles that may lower SPEED. |
| FireRed LeafGreen | A spray of bubbles strikes the foe. It may lower the foe’s SPEED stat. |
| Diamond Pearl Platinum HeartGold SoulSilver | A spray of bubbles is forcefully ejected at the foe. It may also lower the target’s Speed stat. |
| Black White Black 2 White 2 | A spray of bubbles is forcefully ejected at the opposing team. It may also lower their Speed stats. |
| X Y O.Ruby A.Sapphire | A spray of bubbles is forcefully ejected at the target. This may also lower its Speed stat. |
| Sun Moon Ultra Sun Ultra Moon L.G. Pikachu L.G. Eevee | A spray of bubbles is forcefully ejected at the target. This may also lower its Speed stat. |
| Sword Shield B.Diamond S.Pearl | A spray of bubbles is forcefully ejected at the target. This may also lower the target’s Speed stat. |
| English | Bubble Beam |
|---|---|
| Spanish | Rayo Burbuja |
| Italian | Bollaraggio |
| Japanese | バブルこうせん (Bubble Kōsen) |
| German | Blubbstrahl |
| French | Bulles d'O |