Aspertia City: Snivy, Tepig, Oshawott
Route 19: Patrat, Purrloin
Route 20: Sewaddle, Pidove, Sunkern, Venipede [requires Basic Badge], Audino [requires Basic Badge], Dunsparce [requires Basic Badge]
Sangi Ranch: Lillipup, Azurill, Mareep, Psyduck, Riolu
---Gym 1---
Virbank Complex: Magby [Black Version 2], Elekid [White Version 2], Koffing, Magnemite, Growlithe
---Gym 2---
Castelia Sewers: Rattata, Zubat, Grimer
Relic Path [Part 1]: Roggenrola, Woobat, Timburr, Onix, Drilbur
Castelia City: Cottonee [Black Version 2], Petilil [White Version 2], Buneary [Black Version 2], Skitty [White Version 2], Eevee
Route 4: Sandile, Darumaka, Scraggy, Trubbish [Black Version 2], Minccino [White Version 2], Braviary [White Version 2, Thursday], Mandibuzz [Black Version 2, Thursday]
---Gym 3---
Desert Resort: Maractus, Scraggy, Sandshrew, Dwebble, Sigilyph, Trapinch
Relic Castle: Yamask
Route 16: Gothita [Black Version 2], Solosis [White Version 2], Minccino, Trubbish, Emolga
Lostlorn Forest: Roselia, Combee, Heracross [Black Version 2], Pinsir [White Version 2], Pansear, Panpour, Pansage
---Gym 4---
Driftveil Drawbridge: Ducklett
Driftveil City: Zorua
Route 6: Deerling, Shelmet, Foongus, Karrablast, Castform
---Gym 5---
Relic Castle: Volcarona
[Surf Unlocked] Frillish, Basculin, Buizel (axew surf to Mistralton Cave)
Chargestone Cave: Joltik, Klink, Ferroseed, Tynamo, Nosepass
Route 7: Zebstrika, Zangoose, Seviper, Cubchoo [Winter only]
Celestial Tower: Litwick, Elgyem
---Gym 6---
Rebirth Mountain: Skorupi, Spoink [Black Version 2], Numel [White Version 2], Skarmory, Drifblim
Stranger's House: Banette
Undella Town: Staryu
Undella Bay: Remoraid, Spheal [Winter only]
Seaside Cave: Seel
Route 14: Swablu, Mienfoo, Absol
Route 13: Tangela, Pelipper, Lunatone, Solrock
Village Bridge: Lapras [Surf spot only]
Route 11: Gligar
Route 9: Pawniard
---Gym 7---
Route 22: Delibird
---Gym 8---
Giant Chasm: Clefairy, Vanillish, Sneasel, Piloswine, Ditto, Metang
Route 23: Bouffalant, Sawk [Black Version 2], Throh [White Version 2], Vullaby [Black Version 2], Rufflet [White Version 2]
Victory Road: Golurk, Druddigon, Zweilous