In the main series
A large flock of Spearow debuted in Pokémon - I Choose You!, where it attacked Ash after he hit one particular Spearow on the head with a rock to weaken it (because Pikachu refused to obey and battle), thinking it was a Pidgey. The flock of Spearow returned with the leader, the very same Spearow that Ash had hit in the first episode, as a Fearow in Pallet Party Panic!. The flock reappeared in flashbacks in Pokémon Emergency!, Challenge of the Samurai, Pikachu's Goodbye, Fighting Flyer with Fire, Lucario and the Mystery of Mew, and Historical Mystery Tour!. They also reappeared in I Choose You!, which was set in a timeline different to that of the main series.
A Spearow appeared in The Lost Lapras, under the ownership of a Trainer who ordered it to attack a Lapras. When Ash and Pikachu came to Lapras's defense, Spearow battled Pikachu, only for it and its Trainer to flee after Tracey appeared, sketched them, and began comparing them in terms of how they were trained. According to Tracey, Spearow was vitamin-deficient.
A group of Spearow appeared in Charmander – The Stray Pokémon, where they attacked a Charmander as it sat in the rain on a rock before being warded away by Ash. They reappeared in a flashback during The Fires of a Red-Hot Reunion!, when Ash was reminiscing about how he caught Charmander.
A Spearow appeared in Sparks Fly for Magnemite, where it was seen in Gringey City's Pokémon Center.
A Trainer's Spearow appeared in Mewtwo Strikes Back as one of the Pokémon Mewtwo defeated while serving for Giovanni.
A Spearow appeared in The Breeding Center Secret.
A Spearow appeared in Showdown at the Po-ké Corral, where it was among the Pokémon living at Professor Oak's Laboratory.
A Spearow appeared in a flashback in The Lost Lapras.
A Trainer's Spearow appeared in The Joy of Pokémon, where it was treated by the Nurse Joy of an unnamed island.
Multiple Spearow appeared in The Power of One.
A wild Spearow appeared in Pikachu's Rescue Adventure.
A flock of Spearow appeared in Fighting Flyer with Fire, where they attacked Team Rocket.
A Spearow appeared in The Fortune Hunters as one of the Pokémon stolen by Butch and Cassidy.
Five Spearow appeared in A Better Pill to Swallow as part of Brock's fantasy.
Multiple Spearow appeared in Freeze Frame.
Skyler mentioned in The Big Balloon Blow-Up of training multiple Spearow in the past, helping them grow and evolve, but they were never seen during the entire episode.
Multiple Spearow appeared in the opening intro of Celebi: The Voice of the Forest, which was reused for Pokémon Heroes: Latios & Latias.
A small flock of Spearow attacked Orville in Fly Me to the Moon.
Multiple Spearow appeared in Great Bowls of Fire! as inhabitants of the Dragon Holy Land.
A Spearow appeared in That's Just Swellow as one of the participants of the Crossgate PokéRinger competition.
A Spearow appeared in Hi Ho Silver Wind!, under the ownership of a Coordinator.
A Spearow appeared in Three Jynx and a Baby!.
A Spearow appeared in a flashback in Gathering the Gang of Four!.
A Coordinator's Spearow appeared in Once More With Reeling!, where it was seen participating in the Terracotta Contest.
A Spearow appeared in Not on MY Watch Ya Don't!.
Multiple Spearow appeared in A Staravia Is Born!.
Multiple Spearow appeared during a boss fantasy in Some Enchanted Sweetening!. However, said boss fantasy was cut from the dub due to it containing suggestive material.
Multiple Spearow appeared in a flashback in Luxray Vision!.
A Spearow appeared in Riding the Winds of Change!.
Two Spearow appeared in Pokémon Ranger and the Kidnapped Riolu! Part 1 and Part 2.
A Spearow appeared in a flashback in Pika and Goliath!.
A flock of Spearow appeared in Historical Mystery Tour!, in a manner similar to the first episode. They were among the Pokémon Ash encountered in Xatu's Forest.
A Spearow briefly appeared in An Old Family Blend!, under the ownership of a Trainer competing in the Lily of the Valley Conference.
Multiple Spearow appeared in Diancie and the Cocoon of Destruction as residents of Allearth Forest.
A Trainer's Spearow appeared in Foggy Pokémon Orienteering! and Battling Into the Hall of Fame!.
A Spearow appeared in Loading the Dex! as a silhouette that Rotom brought up.
A Trainer's Spearow appeared in A Shocking Grocery Run!.
Four Spearow appeared in That's Why the Litten is a Scamp!.
Six wild Spearow appeared in Alola, Kanto!.
Multiple Spearow appeared in Deceiving Appearances!, where they were among the Pokémon seen at Aether Paradise. They appeared again in Don't Ignore the Small Stufful!, where they were released back into the wild by an Aether Foundation Employee, Professor Burnet, and Wicke.
A Spearow appeared in Dewpider Ascending!, where it was chasing a wild Dewpider, only for Dewpider to hit it with Bubble.
Two Spearow appeared in The Power of Us.
Two Trainers' Spearow appeared in Securing the Future!, where they joined the rest of Alola in showering Necrozma with light so it could return to its true form.
A Trainer's Spearow appeared in SM115.
|| Ash's Pokédex
|| Unlike Pidgey, Spearow has a terrible attitude. It is very wild and will sometimes attack other Pokémon and humans.
| This concludes the entries from the original series.
In Pokémon Origins
Red caught a Spearow in File 1: Red. He later used it in his Pewter Gym battle against Brock, but it was easily beaten by Brock's Onix.