Fun Fact, Ash's Galarian Farfetch'd (which would go on to evolve into Sirfetch'd) was the first Version Exclusive Pokemon he caught, being exclusive to Pokemon Sword (Serebii and Bulbapedia don't list Solgaleo

Misty about to unleash Gyarados in A Togepi Mirage. : r/pokemonanime

Ash's Sirfetch'd - Bulbapedia, the community-driven Pokémon encyclopedia

Farfetch'd Is Getting A Region-Exclusive Evolution In Pokemon Sword & Shield - GameSpot

Pokémon Galarian Farfetch'd Evolution Guide

The History of Ash's Farfetch'd

Have you ever changed an important Pokémon's species last minute? : r/pokemonfanfiction

Ash's Sirfetch'd - Bulbapedia, the community-driven Pokémon encyclopedia

Farfetch'd Is Finally Getting An Evolution And People Love It

Pokémon Sword and Shield guide: Where to get Galarian Farfetch'd and how to evolve to Sirfetch'd - Polygon

Ash's Sirfetch'd - Bulbapedia, the community-driven Pokémon encyclopedia

Misty about to unleash Gyarados in A Togepi Mirage. : r/pokemonanime

Pokémon Go Galarian Farfetch'd evolution: How to catch and evolve a Galarian Farfetch'd into a Sirfetch'd

Pokémon Sword And Shield's Galarian Farfetch'd: How To Find And Evolve Into Sirfetch'd

Ash's Sirfetch'd, Pokémon Wiki

The History of Ash's Farfetch'd