In the main series
Multiple Shroomish appeared in Taming of the Shroomish. Ash and his friends saved them from having the abandoned mansion they called home from being destroyed, with the help of Alex, the grandson of the mansion's owner.
A Shroomish appeared in Cheer Pressure, under the ownership of Sheridan. Along with Roselia, Vileplume, and Makuhita, it was part of his cheering squad. Sheridan later assigned it to heal James's Cacnea and Jessie's Seviper with Helping Hand.
Several Shroomish that Team Rocket angered evolved into Breloom in A Shroomish Skirmish.
A group of Shroomish appeared in Pokémon Mystery Dungeon: Team Go-Getters out of the Gate!. Team Go-Getters tried to sneak past them while they were sleeping, but Squirtle bumped into one and thus awoke all of them. As a result, the Shroomish used Poison Powder on them and pursued them before being scared away by Charmander's Ember and Flamethrower.
Four Shroomish debuted in Johto Photo Finish, where they were seen in Harrison's explanation of the Hoenn region.
Multiple Shroomish appeared in A Bite to Remember.
A Shroomish appeared in A Corphish Out of Water.
A Shroomish appeared in A Meditite Fight.
A Coordinator's Shroomish appeared in Now That's Flower Power!.
A Shroomish appeared in the opening sequence of Jirachi: Wish Maker.
A Coordinator's Shroomish appeared in Win, Lose or Drew!, where it was seen competing in the Slateport Contest.
A Shroomish appeared in Take the Lombre Home.
A Shroomish appeared in A Double Dilemma as a resident of North Petalburg.
A Shroomish appeared in Hokey Poké Balls! along with a Nuzleaf.
A Shroomish appeared in A Fan with a Plan.
A Coordinator's Shroomish appeared in Cruisin' for a Losin'.
Multiple Shroomish appeared in Destiny Deoxys.
A Shroomish appeared in PK13.
A Shroomish appeared in Lights, Camerupt, Action! as an actor in one of Elijah's movies.
A Shroomish appeared in Clamperl of Wisdom, under the ownership of Madeleine, a resident of Maisie Island.
A Coordinator's Shroomish appeared in Mean With Envy.
Two Shroomish appeared in The Ribbon Cup Caper at the S.S. St. Flower's Pokémon Center.
A Trainer's Shroomish appeared in Saved by the Beldum, where it was among the Pokémon seen during the Ever Grande Conference.
A Shroomish appeared in a fantasy in The Right Place and the Right Mime.
A Shroomish appeared in Weekend Warrior.
A Trainer's Shroomish appeared in Curbing the Crimson Tide!.
A Shroomish appeared in Pokémon Ranger - Deoxys' Crisis! (Part 2).
A Shroomish appeared in a flashback in Pokémon Ranger and the Temple of the Sea. It was among the Pokémon that helped Pokémon Ranger Jack Walker when he was a young boy lost in a blizzard.
A Shroomish appeared in Some Enchanted Sweetening!, where it was lured in by the Honey that Cheryl had slathered onto a tree. Additional Shroomish also appeared in a boss fantasy in the same episode, but said boss fantasy was cut from the dub due to it containing suggestive material.
Three Shroomish appeared in An Angry Combeenation!.
Verona has a Shroomish that appeared in Promoting Healthy Tangrowth!.
A Coordinator's Shroomish was used in the Battle Stage of the Daybreak Contest along with a Slakoth in Playing the Performance Encore!.
A Shroomish appeared in Keeping In Top Forme!, where it was scared by Pikachu and Piplup and subsequently released a Poison Powder.
Multiple Shroomish made a brief cameo in Giratina and the Sky Warrior.
A Shroomish briefly appeared in Coming Full-Festival Circle!. It was among the Pokémon listening to Nando as he played his music.
Multiple Shroomish appeared in Zoroark: Master of Illusions as some of the many local Pokémon living in Crown City. A few of them worked together with the other Pokémon in surrounding Zorua in the park with the intention of attacking him in retribution for what Zoroark did to the city. Before a fight could break out, the Shroomish, along with the other Pokémon, were calmed down by Celebi.
A Shroomish appeared in Mewtwo — Prologue to Awakening.
Multiple Shroomish appeared in Genesect and the Legend Awakened as residents of Pokémon Hills.
|| Ash's Pokédex
|| Shroomish, the Mushroom Pokémon. Shroomish is mild tempered and inhabits piles of rotting leaves inside of forests.
| This concludes the entries from the Advanced Generation series.
In the Pokémon Omega Ruby and Alpha Sapphire Animated Trailer
A Shroomish appeared in the Pokémon Omega Ruby and Pokémon Alpha Sapphire Animated Trailer, where it surrounded May and her Torchic, only for Torchic to scare it away with a Fire-type attack.
In Pokémon Generations
A wild Shroomish appeared in The Cavern, where it was running away from a storm that a Primal Kyogre was creating.