Go for the next gym badge.
To get the 8th badge, you must head back to Vermillion City once you got the first 7 badges. Giovanni will be the gym leader. Once you win, you deserve the 8th and last badge, the Earth Badge. Once you have the badge, you are worthy enough to go challenge the Pokemon league. Good luck with that...your're gonna need it.
Yes, there is a GTS in Pokemon Black and White. It is up in the Pokemon Center and you can access it once you get the first badge as always.
A gym leader, once you have beaten them.
You first need to beat Giovanni at Silph co which is in saffron city once you do that you can go into the gym and receive your sixth badge from Sabrina.
Once you obtain a badge it's permanently stored in the badge case.
Once she starts to cry, talk to her again and she will give you the badge.
You gain acces to the daycare after you get the Dream Mist for Fennel in Striaton City. You can do this once you get the first gym badge.
You are given one once you get your eighth gym badge.
get a certain badge, it's the same in all Pokemon games.
Before the Earthbadge, you have to win the first seven badges from their respective gym leaders. (Boulder Badge-Brock-Pewter City; Cascade Badge-Misty-Cerulean City; Thunder Badge-Lt. Surge-Vermilion City; Rainbow Badge-Erika-Celadon City; Soul Badge-Koga-Fuchsia City; Marsh Badge-Sabrina-Saffron City; Volcano Badge-Blaine-Cinnabar Island.) Once you have received the first seven badges, you return to Viridian City and go to the gym to challenge Giovanni. Once you defeat him, he will reward you with the Earthbadge.
Once you get the 2nd gym badge (Dewford town Gym) all Pokemon up to level 30 will obey you, whether they were traded or not. Until then, only Pokemon you caught in your game will obey you.
In Pokemon FireRed, the badge needed to surf is the Cascade Badge. This badge is obtained by defeating Misty, the Cerulean City Gym Leader. Once you have the Cascade Badge, you can use the move Surf outside of battle to navigate bodies of water and access new areas in the game.