SilphSpectre on Twitter: "According to the official Pokémon Red and Blue manual, Sabrina's Gym appears to be the 5th gym, canonically speaking. However, this is directly contradicted by the game badge screen
Pokemon Fire Red: How to Beat Sabrina's Gym Puzzle in 30 Seconds - YouTube
Pokemon fire red how to get to the Saffron city gym leader. - YouTube
Saffron Gym | Pokemon Planet Wikia | Fandom
Pokemon FireRed/LeafGreen - How to get through Saffron City Gym - YouTube