| 1 | Red, Blue | Its long tail serves as a ground to protect itself from its own high voltage power. |
| 1 | Yellow | When electricity builds up inside its body, it becomes feisty. It also glows in the dark. |
| 1 | Stadium | Its electrical attacks may reach 10,000 volts. It discharges electricity from its tail, so it is not harmed by its own power. |
| 2 | Gold | When its electricity builds, its muscles are stimulated, and it becomes more aggressive than usual. |
| 2 | Silver | If the electric pouches in its cheeks become fully charged, both ears will stand straight up. |
| 2 | Crystal | If its electric pouches run empty, it raises its tail to gather electricity from the atmosphere. |
| 2 | Stadium 2 | When its electricity builds, its muscles are stimulated, and it becomes more aggressive than usual. |
| 3 | Ruby | If the electrical sacks become excessively charged, Raichu plants its tail in the ground and discharges. Scorched patches of ground will be found near this Pokémon's nest. |
| 3 | Sapphire | This Pokémon exudes a weak electrical charge from all over its body that makes it take on a slight glow in darkness. Raichu searches for electricity by planting its tail in the ground. |
| 3 | Emerald | If it stores too much electricity, its behavior turns aggressive. To avoid this, it occasionally discharges excess energy and calms itself down. |
| 3 | FireRed | Its electric charges can reach even 100,000 volts. Careless contact can cause even an Indian elephant to faint. |
| 3 | LeafGreen | Its long tail serves as ground to protect itself from its own high-voltage power. |
| 4 | Diamond | It turns aggressive if it has too much electricity in its body. It discharges power through its tail. |
| 4 | Pearl | It can loose 100,000-volt bursts of electricity, instantly downing foes several times its size. |
| 4 | Platinum | Its tail discharges electricity into the ground, protecting it from getting shocked. |
| 4 | HeartGold | When its electricity builds, its muscles are stimulated, and it becomes more aggressive than usual. |
| 4 | SoulSilver | If the electric pouches in its cheeks become fully charged, both ears will stand straight up. |
| 5 | Black, White, Black 2, White 2 | Its tail discharges electricity into the ground, protecting it from getting shocked. |
| 6 | X | When its electricity builds, its muscles are stimulated, and it becomes more aggressive than usual. |
| 6 | Y | It can loose 100,000-volt bursts of electricity, instantly downing foes several times its size. |
| 6 | Omega Ruby | If the electrical sacs become excessively charged, Raichu plants its tail in the ground and discharges. Scorched patches of ground will be found near this Pokémon's nest. |
| 6 | Alpha Sapphire | This Pokémon exudes a weak electrical charge from all over its body that makes it take on a slight glow in darkness. Raichu plants its tail in the ground to discharge electricity. |
| 7 | Sun | It unleashes electric shocks that can reach 100,000 volts. When agitated, it can knock out even an Indian elephant. |
| 7 | Moon | It becomes aggressive when it has electricity stored up. At such times, even its Trainer has to take care to avoid being attacked. |
| 7 | Ultra Sun | As electricity builds up inside its body, it becomes more aggressive. One theory is that the electricity buildup is actually causing stress. |
| 7 | Ultra Moon | Because so many Trainers like the way Pikachu looks, you don't see this Pokémon very often. |
| 7 | Let's Go, Pikachu!, Let's Go, Eevee! | When electricity builds up inside its body, it becomes feisty. It also glows in the dark. |
| 8 | Sword | Its long tail serves as a ground to protect itself from its own high-voltage power. |
| 8 | Shield | If its electric pouches run empty, it raises its tail to gather electricity from the atmosphere. |
