After you get though Union Cave, you should be in Route 33 . Walk to the right of the path and you'll enter Azalea Town.
While your at Azalea Town you'll find some Slowpokes and a Slowking owned by a trainer willing to fight.
Also. You will find some Trainer Battles and the Azalea Town Gym with Slowpoke's Well
|Move 1||Move 2||Move 3||Move 4|
|Bugsy||Aradios||30||3435||1||Spider Web||Bug Bite|
|Bugsy||Scyther||30||1300||1||Swords Dance||Agility||Double Team||Fury Cutter|
|Left Man||Parasect||25||484||1||Stun Spore||Cross Poison|
|Twin||Aradios||20||450||1||Scary Face||Bug Bite|
Please note that you can't put Aradios to sleep because it has the insomnia buff.
Metapod has shed skin