Pokémon/Pokédex/Raichu

TM/HM

 * RB/Y/GS/C/RS/FL: Double Team, Flash, Hyper Beam, Rest, Thunder, Toxic
 * RB/Y/C/RS/FL: Thunderbolt
 * RB/Y/GS/C: Swift
 * GS/C/RS/FL: Attract, Frustration, Hidden Power, Iron Tail, Protect, Rain Dance, Return, Strength, Thief
 * RB/Y: Bide, Body Slam, Double-Edge, Mega Kick, Mega Punch, Mimic, Pay Day, Rage, Reflect, Seismic Toss, Skull Bash, Submission, Substitute, Take Down, Thunder Wave
 * GS/C: Curse, Defense Curl, Detect, Dynamicpunch, Endure, Headbutt, Mud-Slap, Rollout, Sleep Talk, Snore, Swagger, Thunderpunch, Zap Cannon
 * RS/FL: Brick Break, Dig, Facade, Focus Punch, Light Screen, Rock Smash, Secret Power, Shock Wave

Tutor

 * FL/E: Counter, MegaKick, Mega Punch.
 * E:Defense Curl, Endure, Mud-slap, Rollout, Sleep Talk, Snore, Swager, Swift, Thunder Punch.
 * FL/E/XD: Body Slam, Double-edge, Mimic, Thunder wave, Seismic Toss, Substitute.

Evolution

 * GS/C/RS/FL: Bide, Doubleslap, Encore, Present, Reversal
 * RS/FL: Charge, Wish
 * E: Volt Tackle

Other Sources

 * Pokémon Crystal: Dizzy Punch
 * Pokémon Stadium & Pokémon Box: Surf
 * Event (GS/C): Scary face
 * Japan Event (Advance games): Fly

Regional Variants

 * Standard
 * Alolan - Dual electric and psychic type.

Trading Cards

 * Base Set #14 - Raichu
 * Fossil #14 - Raichu
 * Fossil #29 - Raichu
 * Team Rocket #83 - Dark Raichu
 * Gym Heroes #28 - Lt. Surge's Raichu
 * Gym Challenge #11 - Lt. Surge's Raichu
 * Neo Revelation #21 - Raichu
 * Neo Destiny #111 - Shining Raichu
 * Expedition #25 - Raichu
 * Expedition #60 - Raichu
 * Aquapolis #H25 - Raichu
 * Aquapolis #27 - Raichu
 * EX Sandstorm #98 - Raichu EX
 * EX Team Magma vs Team Aqua #13 - Raichu
 * EX FireRed & LeafGreen #12 - Raichu