Items, Special balls, #617
Dream Ball appears in 7 version groups since Generation V, a Special balls item in the Poké Balls pocket
PokéAPI item 617 of 2,223, Special balls category, Poké Balls pocket
Effect, in PokéAPI's words
Dream Ball: “Catches Pokémon found in the Dream World.”
Can only be used in Entree Forest, to catch Pokémon encountered in the Dream World. Used in battle: Catches a wild Pokémon without fail.
Games
Dream Ball is listed in the text of 7 version groups, first in Generation V
Game index by generation
IIIIIIIVVVIVIIVIIIIX
Named in
Black and WhiteBlack 2 and White 2X and YSun and MoonUltra Sun and Ultra MoonLet's Go Pikachu and Let's Go EeveeSword and Shield