Pokémon/Pokédex/Psyduck

How to Evolve
Psyduck evolves at level 33.

TM/HM

 * RB/Y/GS/C/RS/FL: Blizzard, Dig, Double Team, Rest, Strength, Surf, Toxic
 * RB/Y/C/RS/FL: Ice Beam
 * RB/Y/GS/C: Swift
 * GS/C/RS/FL: Attract, Flash, Frustration, Hidden Power, Iron Tail, Protect, Rain Dance, Return, Rock Smash, Waterfall
 * RB/Y: Bide, Body Slam, Bubblebeam, Counter, Double-Edge, Mega Kick, Mega Punch, Mimic, Pay Day, Rage, Seismic Toss, Skull Bash, Submission, Substitute, Take Down, Water Gun
 * GS/C: Curse, Dynamicpunch, Endure, Headbutt, Ice Punch, Icy Wind, Mud-Slap, Psych Up, Sleep Talk, Snore, Swagger, Whirlpool
 * RS/FL: Aerial Ace, Brick Break, Calm Mind, Dive, Facade, Focus Punch, Hail, Secret Power, Water Pulse

Breeding

 * GS/C/RS/FL: Foresight, Future Sight, Hypnosis, Ice Beam, Light Screen, Psybeam, Psychic
 * C/RS/FL: Cross Chop
 * RS/FL: Refresh

Other Sources

 * Pokémon Stadium: Amnesia

Trading Cards

 * Fossil #53 - Psyduck
 * Team Rocket #65 - Psyduck
 * Gym Heroes #54 - Misty's Psyduck
 * Gym Challenge #90 - Misty's Psyduck
 * Gym Challenge #99 - Sabrina's Psyduck
 * Neo Destiny #78 - Psyduck
 * Aquapolis #104 - Psyduck
 * EX Sandstorm #73 - Psyduck
 * EX Team Magma vs Team Aqua #44 - Psyduck
 * EX Team Rocket Returns #70 - Psyduck