Interlude Season

The Interlude Season of GO Battle League lasted from March, 2022 to June , 2022. It is preceded by Season 10 and succeeded by Season 11. This GO Battle League Season ran concurrently with Season of Alola.

Formats
Johto Cup: 1,500 CP limit. Only Pokémon with a Pokédex number between #152 and #251 allowed.

Love Cup: 1,500 CP limit. See official blog post for allowed Pokémon.

Little Jungle Cup: 500 CP limit. Only Normal-, Grass-, Electric-, Poison-, Ground-, Flying-, Bug-, and Dark-types allowed. Shuckle and Smeargle banned.

Catch Cup: 1,500 CP limit. Only Pokémon caught during duration of this cup allowed, excluding Mythical Pokémon.

Halloween Cup: 1,500 CP limit. Only Poison-, Ghost-, Bug-, Dark-, and Fairy-type Pokémon allowed.

Retro Cup: 1,500 CP limit. Dark-, Steel-, Fairy-types banned.

Kanto Cup: 1,500 CP limit. Only Pokémon with a Pokédex number between #001 and #151 allowed.

Flying Cup: 1,500 CP limit. Only Flying-type Pokémon allowed.

Little Cup: 500 CP limit. Only Pokémon that are able to evolve and have not evolved even once allowed

Element Cup: 500 CP limit. Only Fire-, Water-, and Grass-types allowed. Only Pokémon that can evolve and that are the first in their Evolutionary line.

Seville Catch Cup: 1,500 CP limit. Only Pokémon caught during Pokémon GO Safari Zone Seville.

Rewards
Basic Premium

Stardust The random items can include:
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Reaching rank 20 could earn avatar items inspired by Gladion.

Gladion Shoes, Gladion Pants, and Gladion Hoodie could also be obtained from GO Battle Day rewards.

Pokémon
Guaranteed first Pokémon encounters:
 * Crobat: rank 1 (one only)
 * Mienfoo: rank 6
 * Pikachu Libre: rank 20 (one only)

Certain Legendary Pokémon could be obtained starting at rank 20 during their time in tier 5 Raid Battles.

End-of-season rewards

 * (rank 19 or above)

Timed Research
BATTLE is a timed Research for Season of Alola and the GO Battle League Interlude Season;

GO Battle Day: Seel
GO Battle Day: Seel took place on March, 2022 from 12 a.m. to 11:59 p.m. local time. Great League and Johto League were available during this GO Battle Day. Stardust from completing sets would not be counted for the bonus.

GO Battle Day: Beginner’s Paradise
GO Battle Day: Beginner’s Paradise took place on April, 2022 from 12 a.m. to 11:59 p.m. local time. Great League and Little Cup were available during this GO Battle Day. Stardust from completing sets would not be counted for the bonus.

GO Battle Day: Mega Stardust Surprise
GO Battle Day: Mega Stardust Surprise took place on May, 2022 from 12 a.m. to 11:59 p.m. local time. Master League, Ultra League and Great League were available during this GO Battle Day.