| 1 | Red, Blue | Incredibly slow and dopey. It takes 5 seconds for it to feel pain when under attack. |
| 1 | Yellow | Incredibly slow and sluggish. It is quite content to loll about without worrying about the time. |
| 1 | Stadium | A dopey Pokémon that remains in a daze except when fishing with its tail. Awake or asleep, there is little difference. |
| 2 | Gold | It lazes vacantly near water. If something bites its tail, it won't even notice for a whole day. |
| 2 | Silver | A sweet sap leaks from its tail's tip. Although not nutritious, the tail is pleasant to chew on. |
| 2 | Crystal | It is always so absent-minded that it won't react, even if its flavorful tail is bitten. |
| 2 | Stadium 2 | It lazes vacantly near water. If something bites its tail, it won't even notice for a whole day. |
| 3 | Ruby, Sapphire | Slowpoke uses its tail to catch prey by dipping it in water at the side of a river. However, this Pokémon often forgets what it's doing and often spends entire days just loafing at water's edge. |
| 3 | Emerald | It catches prey by dipping its tail in water at the side of a river. But it often forgets what it is doing and spends entire days just loafing at water's edge. |
| 3 | FireRed | It is always vacantly lost in thought, but no one knows what it is thinking about. It is good at fishing with its tail. |
| 3 | LeafGreen | Incredibly slow and dopey. It takes 5 seconds for it to feel pain when under attack. |
| 4 | Diamond, Pearl, Platinum | Although slow, it is skilled at fishing with its tail. It does not feel pain if its tail is bitten. |
| 4 | HeartGold | It lazes vacantly near water. If something bites its tail, it won't even notice for a whole day. |
| 4 | SoulSilver | A sweet sap leaks from its tail's tip. Although not nutritious, the tail is pleasant to chew on. |
| 5 | Black, White, Black 2, White 2 | Although slow, it is skilled at fishing with its tail. It does not feel pain if its tail is bitten. |
| 6 | X | It is always vacantly lost in thought, but no one knows what it is thinking about. It is good at fishing with its tail. |
| 6 | Y | It lazes vacantly near water. If something bites its tail, it won't even notice for a whole day. |
| 6 | Omega Ruby, Alpha Sapphire | Slowpoke uses its tail to catch prey by dipping it in water at the side of a river. However, this Pokémon often forgets what it's doing and often spends entire days just loafing at water's edge. |
| 7 | Sun | Its long tail often breaks off. It doesn't really feel any pain, though, and the tail grows back, so Slowpoke isn't particularly bothered. |
| 7 | Moon | Alolan home cooking involves drying Slowpoke tails and then simmering them into a salty stew. |
| 7 | Ultra Sun | There are some places where Slowpoke is worshiped because of a long-standing belief that whenever Slowpoke yawns, it rains. |
| 7 | Ultra Moon | Although their tails, which fall off naturally, can easily be found lying around, they're a precious ingredient for cooking. |
| 7 | Let's Go, Pikachu!, Let's Go, Eevee! | Incredibly slow and sluggish. It is quite content to loll about without worrying about the time. |
