These are the exact order in which you encounter them. On the left are the Leaders in what City and their badges, and on the right are their Pokemon, levels, and what you win.
| Unlockable: | How |
| Lt. Surge-Vermillion City-Thunder Badge | Raichu level 51, 2 Electrodes level 47, Magneton level 47, Electabuzz level 53. Win TM 34 Shock Wave |
| Sabrina-Saffron City-Marsh Badge | Espeon level 53, Mr. Mime level 53, Alakazam level 55. Win TM48 Skill Swap. |
| Erika-Celadon City-Rainbow Badge | Jumpluff level 51, Tangela level 52, Victreebel level 56, Bellossom level 56. Win TM 19 Giga Drain. |
| Misty-Cerulean City-Cascade Badge | Golduck level 49, Quagsire level 49, Lapras level 52, Starmie level 54. Win TM 03 Water Pulse. |
| Janine-Fuchsia City-Soul Badge | Crobat level 47, Weezing level 44, 2 Ariados level 47, Venemoth level 50. Win TM 84 Poison Jab. |
| Brock-Pewter City-Boulder Badge | Graveler level 51, Ryhorn level 51, Omastar level 53, Onix level 54, Kabutops level 52. Win TM 80 Rock Slide. |
| Blaine-Seafoam Island-Volcano Badge | Magmar level 54, Magcargo level 54, Rapidash level 59. Win TM 50 Overheat. |
| Green-Veridian City-Earh Badge | Exeggutor level 55, Machamp level 56, Arcanine level 58, Rhydon level 58, Gyarados level 53, Pidgeot level 60. Win TM 92 Trick Room. |
