Brock is at the entrance to Diglett Cave (the Pewter City entrance) on any day from one to three in the afternoon. He is not actually 'hiding', but just exploring the Diglett Cave.
brock is the 6th gymleader
no but you can battle him in heart gold/soul silver
Pewter City, in Kanto.
At his gym. Sometimes at Diglett cave after you've beaten him.
Brock gives it to you after you beat him in kanto
After beating Brock, if you haven't faced the other Gym leaders yet, go challenge them.
After you've beaten Brock go beat the other six leaders then you can fight Blue
Brock Gives it to ya when you defeat him :D Hope it helped. I Pwn Brock :D
At his gym. Sometimes at Diglett cave after you've beaten him.
you go to pewter city then you go in the gym and head on straight.
he should already be there, wait are you talking about brock or brook
Pewter City Gym. Same as always.