go to the game corner and fight the grunt guarding the poster
Officially, no. But there are some fan games/ROM hacks that have you play as Team Rocket; some good examples are Pokemon: Team Rocket Edition (a hack of Red) and Pokemon Rocket Strike (a hack of FireRed).
With a strong team and simple type advantages
team rocket
i dont know man
the leader of team rocket
there is no hideout in kanto because in pokemon red you beat team rocket and in this generation team rocket left kanto and went to johto you run into a team rocket member that stole the machine part from the power plant that doesn't mean that team rocket returned to kanto
You can't join team rocket in Pokemon diamond. Actually team rocket is not on the game
You need to beat the Team Rocket inside the Silph Co.
In Pokemon Pearl Team Rocket aren't the villains, Team Galactic are.
In Saffron City.
you get in the team rocket hideout on one of the islands
After going through the Silph Tower.