In the main series
Psyduck in the anime
In Hypno's Naptime, Misty accidentally caught a Psyduck. Despite being generally shown as dimwitted and oblivious, when its headache gets bad enough, it has been shown to use phenomenally powerful Psychic-type moves, which far exceed its normal ability.
In Bye Bye Psyduck, Marina owns a Psyduck. It wasn't as dopey as the Psyduck Misty had, and even proved itself to be rather strong in battle, managing to defeat Staryu. However, it lost against a wild Golduck that Misty used under the belief that her Psyduck had evolved into it.
In Mewtwo Strikes Back, a Psyduck was cloned from Misty's Psyduck. It then participated in the battle between the original Pokémon and the cloned Pokémon. Psyduck reappeared in Mewtwo Returns.
In Sitting Psyduck, Emily's Psyduck didn't like having a pampered lifestyle and kept running away from her.
In Not on MY Watch Ya Don't!, Team Rocket used a Psyduck as part of their scheme.
In The Psyduck Stops Here!, six Psyduck parents, three Psyduck babies, and two other Psyduck lived in a lake. Three of the parents were blocking the path that Ash and his friends needed to pass on their way to Celestic Town. The Psyduck were initially unable to return to their real home, Lake Psyduck, due to three Muk.
In Raid Battle in The Ruins!, Shane Seeker owns a Shiny Psyduck, which is his first and main Pokémon. Psyduck was used in a Raid Battle against a giant Golurk.
A Trainer's Psyduck appeared in JN057.
in the anime
A Psyduck appeared in a fantasy in Dig Those Diglett!.
In Flower Power, two Psyduck were parts of Florando's annual Pokémon Exhibition.
In Wired for Battle!, a Trainer's Psyduck came up as an image in Shingo's laptop.
A Psyduck appeared in a fantasy in The Totodile Duel.
In Beauty and the Breeder, a Pokémon Breeder's Psyduck participated in a Pokémon breeding competition.
In Dueling Heroes, a Trainer's Psyduck competed in the Whirl Cup.
In Gonna Rule The School!, the Pokémon Trainers' School lent a Psyduck to the school's underage students for use.
In Win, Lose or Drew!, a Coordinator's Psyduck competed in the Slateport Contest.
In Once in a Mawile!, Samantha's Mawile fell in love with a Trainer's Psyduck.
A Psyduck appeared in Lucario and the Mystery of Mew.
A Coordinator's Psyduck appeared in The Saffron Con.
A Trainer's Psyduck appeared in Spontaneous Combusken!.
A Psyduck appeared in Wild in the Streets!.
In The Rise of Darkrai, Darkrai hit with a Psyduck with Dark Void.
In Dawn's Early Night!, a Coordinator's Psyduck competed in a required Double Performance alongside a Duskull during the Hearthome Contest.
In Sleepless In Pre-Battle!, Dawn's Piplup spotted a Psyduck.
In Beating the Bustle and Hustle!, a Trainer's Psyduck participated in the fake Sinnoh Pokémon Hustle that Team Rocket had set up.
In Meloetta's Moonlight Serenade, a Psyduck watched Meloetta's concert.
A Psyduck lived at Professor Sycamore's lab in Lumiose City Pursuit, Mega-Mega Meowth Madness!, Day Three Blockbusters!, and Battling With a Clean Slate!; and in flashbacks in Mega Evolution Special I and Garchomp's Mega Bond!.
A Psyduck appeared in A Blustery Santalune Gym Battle!.
A Psyduck appeared in Battling on Thin Ice!.
A Psyduck appeared in Grooming Furfrou!.
Two Psyduck appeared in A Jolting Switcheroo!.
A Psyduck appeared in A PokéVision of Things to Come!.
In A Battle by Any Other Name!, a Trainer's Psyduck competed in the Poké Puff Contest.
A Psyduck appeared in Heroes - Friends and Faux Alike!.
In Summer of Discovery!, Foggy Pokémon Orienteering!, and Battling Into the Hall of Fame!, a Trainer's Psyduck participated in the Pokémon Summer Camp. Another Trainer's Psyduck also appeared in a fantasy in the latter episode.
A Trainer's Psyduck appeared in Dreaming a Performer's Dream!.
In A Showcase Debut!, a Performer's Psyduck competed in the Coumarine City Pokémon Showcase. It reappeared in Performing with Fiery Charm!, Party Dancecapades!, Master Class is in Session!, and Performing a Pathway to the Future!.
A Psyduck appeared in Confronting the Darkness!.
A Psyduck appeared in A Fashionable Battle!.
A Trainer's Psyduck appeared in A Giga Battle with Mega Results!.
In The Legend of the Ninja Hero!, a Psyduck lived in the Ninja Village.
A Trainer's Psyduck appeared in Battling at Full Volume!.
In Volcanion and the Mechanical Marvel, a Psyduck lived at the Nebel Plateau.
Two Psyduck appeared in a flashback in The Legend of X, Y, and Z!.
In First Catch in Alola, Ketchum-Style!, a stallholder's Psyduck gave some Berries to a group of Pikipek.
Six Trainers' Psyduck appeared in A Shocking Grocery Run!.
In Lillie's Egg-xhilarating Challenge!, a Psyduck was playing in Lillie's garden. It reappeared in The Ol' Raise and Switch!.
In To Top a Totem!, a Psyduck fell out of the sky.
A Trainer's Psyduck appeared in A Glaring Rivalry!.
A Psyduck appeared in Lulled to La-La Land! during a fantasy.
Two Psyduck appeared in I Choose You!, with one being wild and the other under the ownership of a Trainer.
A Psyduck appeared in Mallow and the Forest Teacher!.
Two Trainers' Psyduck appeared in Balloons, Brionne, and Belligerence!.
In Alola, Kanto!, multiple Psyduck were at Professor Oak's Laboratory.
In A Dream Encounter!, a Psyduck starred in a video advertising Aether Paradise. It reappeared in Don't Ignore the Small Stufful!.
A Trainer's Psyduck appeared in Now You See Them, Now You Don't!.
In Mission: Total Recall!, a Psyduck appeared on a monitor at Aether Paradise.
In Deceiving Appearances!, a Ditto transformed into a Psyduck.
A Trainer's Psyduck appeared in the banned episode SM064.
In Smashing with Sketch!, a Trainer's Psyduck competed in the Pokémon Ping-Pong tournament.
A Trainer's Psyduck appeared in Tough Guy Trials!.
Three Trainers' Psyduck appeared in A Young Royal Flame Ignites!.
Multiple Trainers' Psyduck appeared in The Power of Us.
A Trainer's Psyduck appeared in Dummy, You Shrunk the Kids!.
Two Psyduck appeared in The Shape of Love to Come!, with one under the ownership a Trainer and the other being seen juggling apples.
Two Trainers' Psyduck appeared in I Choose Paradise!. One of them was among the Pokémon seen at the Pokémon Paradise Resort.
Multiple Psyduck appeared in Securing the Future!, with one being wild and the rest under the ownership of different Trainers. They joined the rest of Alola in showering Necrozma with light so it could return to its true form.
A Trainer's Psyduck appeared in Turning the Other Mask!.
Two Trainers' Psyduck appeared in League Offenders and Defenders!.
A Trainer's Psyduck appeared in Battling Besties!.
In Battling on the Wing!, a Trainer's Psyduck watched the battles during the Manalo Conference.
A Psyduck appeared in a fantasy in The Final Four!.
In Final Rivals!, a Trainer's Psyduck watched the battle between Ash and Gladion.
Two Trainers' Psyduck appeared in Z-Move Showdown!.
Two Trainers' Psyduck appeared in Exhibition Unmasked!. One of them reappeared in A Full Battle Bounty! and Fiery Surprises!.
A Trainer's Psyduck appeared in Thank You, Alola! The Journey Continues!.
A Trainer's Psyduck appeared in a flashback in Enter Pikachu!.
Two Psyduck appeared in Legend? Go! Friends? Go!, with one under the ownership of a Trainer participating in a Raid Battle against a Lugia and the other being wild.
Two Psyduck appeared in The Sinnoh Iceberg Race!, with one under the ownership of a Trainer and the other being wild. The wild Psyduck retrieved Lauren's glasses, implying it will join her team just as her Piplup and Croagunk did.
A Trainer's Psyduck appeared in Raid Battle in The Ruins!.
In Destination: Coronation!, a Psyduck jumped out of a bush near the Cerise Laboratory and ran after a group of Farfetch'd.
A Trainer's Psyduck appeared in Sobbing Sobble!.
A Trainer's Psyduck appeared in The Cuteness Quotient!.
Two Trainers' Psyduck appeared in Restore and Renew!.
A Trainer's Psyduck appeared in Sword and Shield: The Darkest Day!.
A Trainer's Psyduck appeared in Crowning the Chow Crusher!.
A Trainer's Psyduck appeared in JN049.
|| Ash's Pokédex
|| Psyduck, a Water Pokémon. Uses mysterious powers to perform various attacks.
|| Ash's Pokédex
|| Psyduck constantly suffers from a headache.
|| Psyduck's attacks
|| Ash's Pokédex
|| Psyduck's attacks are: One: Tail Whip. Number two: Scratch. Number three: Disable. Number four: Confusion. When Psyduck's headache becomes severe, it uses amazing power.
|| May's Pokédex
|| Psyduck, the Duck Pokémon. Psyduck suffers frequent headaches and can exhibit mysterious attacks when they become especially intense.
|| Dawn's Pokédex
|| Psyduck, the Duck Pokémon. When a Psyduck's headache gets severe, it starts to exhibit odd powers.
In Pokémon Origins
In File 3: Giovanni, Red hooked a Psyduck and eventually caught it.
In the Ash & Pikachu manga
- Main article: Misty's Psyduck
Ash borrowed Misty's Psyduck in The Beginning Of Good Luck?! Pokémon Fortune Telling.
In The Electric Tale of Pikachu manga
- Main article: Misty's Psyduck
Misty's Psyduck made a small cameo in Pikachu's Excellent Adventure.
In the How I Became a Pokémon Card manga
A Psyduck appeared in Troubled Pokémon, Psyduck.
A Team Rocket Grunt was also revealed to own a Psyduck.
In the movie adaptations
A Psyduck appeared in the manga adaptation of The Rise of Darkrai, where it was one of the Pokémon put to sleep by Darkrai.
A Psyduck appeared in the manga adaptation of Volcanion and the Mechanical Marvel as a resident of the Nebel Plateau.
In the Pokémon Adventures manga
Psyduck debuted in Sigh for Psyduck, where it was brought back to life by Koga's Gastly in the Pokémon Tower. It first appeared to Red like a normal Psyduck, until it attempted an assault on him, during which its eyeballs suddenly sunk into its eye sockets and some skin fell off, revealing its bones. Since it was just a mindless undead Pokémon, it was easily destroyed by Red's Saur's Vine Whip attack.
A Psyduck appeared as a silhouette when Green talks about Mew in The Jynx Jinx.
Psyduck physically debuted in Breath of the Dragonair Part 1, under the ownership of Trainer. It was used in a surfing contest, before it was interrupted by Lance controlling the winning prize, a Dragonair.
A Psyduck was one of the Pokémon at Earl's Pokémon Academy in Violet City in Slugging It Out with Slugma.
A Psyduck appeared in Suddenly Suicune III and Absolutely Azumarill, where Crystal tries and fails to catch it.
A Psyduck appeared in The Last Battle XIII as one of the Pokémon sent to participate in the fight in Ilex Forest.
A Trainer's Psyduck appeared in Plugging Past Electrike I.
A Psyduck appeared in The Final Battle IV, where it was one of the Pokémon that helped Emerald with his disabilities.
The Battle Factory rented a Psyduck, which was stolen by Guile Hideout in The Final Battle VII.
Mr. Foreman owns a Psyduck, nicknamed Yeller, which first appeared in Putting a Crimp in Kricketot.
A herd of Psyduck appeared in Suffering Psyduck, where they were blocking the route to Celestic Town. However, included among them were Psyduck belonging to Trainers, and this was all a ruse by Team Galactic, which Cynthia catches on to shortly after calming them.
A Psyduck appeared in Deprogramming Porygon-Z, under the ownership of a Camper.
A Psyduck appeared in Out-Odding Oddish, under the ownership of a Pokéathlon participant.
A Psyduck liberated by Team Plasma appeared in PS547 as one of the Pokémon stuck in N's Castle.
In the Pokémon Gold & Silver: The Golden Boys manga
A Psyduck appeared in The New Pokémon Is Hatched!!.
In the Pokémon Gotta Catch 'Em All manga
A Psyduck appeared in GDZ21.
A Psyduck appeared in GDZ36 as a resident of Kigan Island.
In the Pokémon Horizon manga
A Psyduck appeared in The Power of Teamwork.
In the Pokémon Pocket Monsters manga
Green's Psyduck debuted in The Big Battle In The Viridian Forest!!.
A Psyduck appeared in Regain the Deserted Power Plant!.
A Psyduck appeared in Good Luck at the Big Pokémon Athletic Meet!.
A Psyduck appeared in Fierce Competition at the Pokémon Baseball Tournament!, where it was one of the Pokémon that took part in a baseball match.
Professor Oak owns a Psyduck, which debuted in Save the Pokémon Zoo!!.
A Psyduck appeared in Pikachu's Birthday Party.
In the Pokémon Ruby-Sapphire manga
A Psyduck appeared in Let's Try To Be Idols!!.
In the Pokémon Zensho manga
In PZ06, Satoshi received a Psyduck, among a few other Pokémon, from a Fisherman in exchange for the Dratini he found.