Teachy TV appears in 2 version groups since Generation III, a Gameplay item in the Key Items pocket
PokéAPI item 552 of 2,223, Gameplay category, Key Items pocket
Effect, in PokéAPI's words
Teachy TV: “Teachers basic trainer advice.”
Teaches beginning trainers basic information.
Games
Teachy TV is listed in the text of 2 version groups, first in Generation III
Game index by generation
IIIIIIIVVVIVIIVIIIIX
Named in
EmeraldFireRed and LeafGreen