| Pokedex Entries: |
| Red | When several of these Pokémon gather, their electricity could build and cause lightning storms. |
| Blue |
| Yellow | It keeps its tail raised to monitor its surroundings. If you yank its tail, it will try to bite you. |
| Gold | This intelligent POKéMON roasts hard BERRIES with electricity to make them tender enough to eat. |
| Silver | It raises its tail to check its surroundings. The tail is sometimes struck by lightning in this pose. |
| Crystal | When it is angered, it immediately discharges the energy stored in the pouches in its cheeks. |
| Ruby | Whenever PIKACHU comes across something new, it blasts it with a jolt electricity. If you come across a blackened berry, it's evidence that this POKéMON mistook the intensity of its charge. |
| Sapphire | This POKéMON has electricity-storing pouches on its cheeks. These appear to become electrically charged during the night while PIKACHU sleeps. It occasionally discharges electricity when it is dozy after waking up. |
| Emerald | It stores electricity in the electric sacs on its cheeks. When it releases pent-up energy in a burst, the electric power is equal to a lightning bolt. |
| FireRed | It has small electric sacs on both its cheeks. If threatened, it looses electric charges from the sacs. |
| LeafGreen | When several of these Pokémon gather, their electricity could build and cause lightning storms. |
| Diamond | It lives in forests with others. It stores electricity in the pouches on its cheeks. |
| Pearl | If it looses crackling power from the electric pouches on its cheeks, it is being wary. |
| Platinum | It occasionally uses an electric shock to recharge a fellow PIKACHU that is in a weakened state. |
| Stadium 1 | Lives in forests away from people. It stores electricity in its cheeks for zapping an enemy if it is attacked. |
| Stadium 2 | This intelligent POKéMON roasts hard BERRIES with electricity to make them tender enough to eat. |
| TCG | Pikachu: When several of these Pokémon gather, they attract so much electricity that they can cause lightning to strike. |
| Flying Pikachu: By learning how to fly, Pikachu can overcome its weakness to Fighting Pokémon. |
| Pikachu: It uses its sensitive tail to sense its environment and has been known to react violently if its tail is grabbed. |
| Surfing Pikachu: One summer, a group of Pikachus was found riding the waves at the local beach. |