For the people who actually started from the beginning of the anime, you should remember the awesome Pokerap at the end. I looked the videos up in YouTube just for the lulz, then I found out Johto and Hoeen had Pokeraps too. (I stopped watching Pokemon in the middle of Johto season.
So, which Pokerap do you like the most? (As for me, definitely the first one, even if there are a few bloopers)Kanto PokerapJohto PokerapHoenn Pokerap
I tried to look a Sinnoh Pokerap up, but the only thing that comes up might be fanmade, so I'm not posting it.
To protect the world from devastation.
To unite all peoples within our nation
To denounce the evils of truth and love.
To extend our reach to the stars above.
Team Rocket blasting off the speed of light!
Surrender now or prepare to fight!
Meowth, that's right!