Just as in the past, Sword and Shield are each home to a handful of Pokemon that can't be captured in the other version.
Sword-exclusive Pokemon
Seedot
Nuzleaf
Shiftry
Swirlix
Slurpuff
Scraggy
Scrafty
Gothita
Gothorita
Gothitelle
Rufflet
Braviary
Mawile
Farfetch'd (Galarian)
Sirfetch'd
Passimian
Turtonator
Solrock
Darumaka (Galarian)
Darmanitan (Galarian)
Stonjourner
Deino
Zweilous
Hydreigon
Jangmo-o
Hakamo-o
Kommo-o
Zacian
Shield-exclusive Pokemon
Lotad
Lombre
Ludicolo
Spritzee
Aromatisse
Croagunk
Toxicroak
Solosis
Duosion
Reuniclus
Vullaby
Mandibuzz
Sableye
Ponyta (Galarian)
Rapidash (Galarian)
Oranguru
Drampa
Lunatone
Corsola (Galarian)
Cursola
Eiscue
Larvitar
Pupitar
Tyranitar
Goomy
Sliggoo
Goodra
Zamazenta