Pokémon Gold and Silver bonus theme displays Gym Leaders, main protagonist, rival, Professor Elm, Kurt, Johto and more | Pokémon Blog
Pokémon Gold & Silver - All Gym Leader Battles (1080p60) - YouTube
Stream Pokemon Gold/Silver/Crystal Remix- Gym Leader Battle by Infinity9377 | Listen online for free on SoundCloud
Dr. Lava on Twitter: "Beta Gym Leaders: Gold & Silver's 1997 demo included early, unused sprites for Johto's Gym Leaders. Four Gym Leaders had beta sprites, but four didn't. Here's a comparison